A small tool to view real-world ActivityPub objects as JSON! Enter a URL
or username from Mastodon or a similar service below, and we'll send a
request with
the right
Accept
header
to the server to view the underlying object.
{
"@context": "https://www.w3.org/ns/activitystreams",
"type": "OrderedCollectionPage",
"orderedItems": [
{
"type": "Create",
"actor": "https://www.minds.com/api/activitypub/users/1077436985200615432",
"object": {
"type": "Note",
"id": "https://www.minds.com/api/activitypub/users/1077436985200615432/entities/urn:activity:1493422225859022866",
"attributedTo": "https://www.minds.com/api/activitypub/users/1077436985200615432",
"content": "I just heard your discussion with Jan on Epoch. Good ideas. <br /><br />I’d like to add one: private ownership of private online identities by the individuals. It requires a secure distributed and encrypted vault where any individual can record their online identity including such things as date of birth, tax ID, next of kin, employment, and government-issued IDs. It must be standardized and universal, very secure against backdoors, therefore essentially inviolable. It must also be immutable, like the Bitcoin blockchain. <br /><br />Access to it requires a set of private keys, like Bitcoin. There is also a public access code derived from the private key that the individual can send to another user. That public key allows that user, and only that user, to access a portion of the private information according to a template which is part of that public key. <br /><br />For example, if my bank wants to do KYC to open an account, they transmit their receive key, I transmit back to them my public key for standard KYC data. <br /><br />If I want to prove my identity on a court document, I add my public key to my online signature on that document. This is a better alternative to a notary public. <br /><br />There are very many applications and as many built-in templates. <br /><br />Establishing identity is an absolute requirement to establishing secure private communication. There is no privacy if identity can be faked. <br /><br />There should be an app that looks like a crypto wallet. Call it a Privacy Wallet. It might be on a computer, like Exodus, or on an offline device like Ledger. The user interface should be simple. <br /><br />This should make most scams obsolete . How could you make a scam if the scammer provided a proof of identity? Without such a proof you know you are dealing with a scammer. This is a major incentive for adoption. <br /><br />The technology is currently available. <br /><br />What do you think?",
"to": [
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"cc": [
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"url": "https://www.minds.com/newsfeed/1493422225859022866",
"published": "2023-04-14T01:26:44+00:00",
"source": {
"content": "I just heard your discussion with Jan on Epoch. Good ideas. \n\nI’d like to add one: private ownership of private online identities by the individuals. It requires a secure distributed and encrypted vault where any individual can record their online identity including such things as date of birth, tax ID, next of kin, employment, and government-issued IDs. It must be standardized and universal, very secure against backdoors, therefore essentially inviolable. It must also be immutable, like the Bitcoin blockchain. \n\nAccess to it requires a set of private keys, like Bitcoin. There is also a public access code derived from the private key that the individual can send to another user. That public key allows that user, and only that user, to access a portion of the private information according to a template which is part of that public key. \n\nFor example, if my bank wants to do KYC to open an account, they transmit their receive key, I transmit back to them my public key for standard KYC data. \n\nIf I want to prove my identity on a court document, I add my public key to my online signature on that document. This is a better alternative to a notary public. \n\nThere are very many applications and as many built-in templates. \n\nEstablishing identity is an absolute requirement to establishing secure private communication. There is no privacy if identity can be faked. \n\nThere should be an app that looks like a crypto wallet. Call it a Privacy Wallet. It might be on a computer, like Exodus, or on an offline device like Ledger. The user interface should be simple. \n\nThis should make most scams obsolete . How could you make a scam if the scammer provided a proof of identity? Without such a proof you know you are dealing with a scammer. This is a major incentive for adoption. \n\nThe technology is currently available. \n\nWhat do you think?",
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"id": "https://www.minds.com/api/activitypub/users/1077436985200615432/entities/urn:activity:1493422225859022866/activity"
},
{
"type": "Create",
"actor": "https://www.minds.com/api/activitypub/users/1077436985200615432",
"object": {
"type": "Note",
"id": "https://www.minds.com/api/activitypub/users/1077436985200615432/entities/urn:activity:1077775711449538560",
"attributedTo": "https://www.minds.com/api/activitypub/users/1077436985200615432",
"content": "If we exist in superposition just like electrons, are we also on other planets and other places in space?<br /><br />Ken Brody, studied Physics at Rensselaer Polytechnic Institute<br />Answered Jan 25<br />If you accept the “many worlds” interpretation of quantum superposition, the answer is probably yes, there is a doppleganger for you out there somewhere.<br /><br />The more particles are involved, the higher the chance of decoherence. The incidence and causes of spontaneous decoherence are complicated, but, oversimplifying, the chance of a collection of particles the mass of a human being surviving in a superposition state long enough to be detectable is to small to calculate.<br /><br />But, however small this probability is, the number of splits spawned by quantum events is so high it is nearly a certainty.",
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"url": "https://www.minds.com/newsfeed/1077775711449538560",
"published": "2020-02-22T02:15:53+00:00",
"source": {
"content": "If we exist in superposition just like electrons, are we also on other planets and other places in space?\n\nKen Brody, studied Physics at Rensselaer Polytechnic Institute\nAnswered Jan 25\nIf you accept the “many worlds” interpretation of quantum superposition, the answer is probably yes, there is a doppleganger for you out there somewhere.\n\nThe more particles are involved, the higher the chance of decoherence. The incidence and causes of spontaneous decoherence are complicated, but, oversimplifying, the chance of a collection of particles the mass of a human being surviving in a superposition state long enough to be detectable is to small to calculate.\n\nBut, however small this probability is, the number of splits spawned by quantum events is so high it is nearly a certainty.",
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"id": "https://www.minds.com/api/activitypub/users/1077436985200615432/entities/urn:activity:1077775711449538560/activity"
},
{
"type": "Create",
"actor": "https://www.minds.com/api/activitypub/users/1077436985200615432",
"object": {
"type": "Note",
"id": "https://www.minds.com/api/activitypub/users/1077436985200615432/entities/urn:activity:1077775213488873472",
"attributedTo": "https://www.minds.com/api/activitypub/users/1077436985200615432",
"content": "Is information non-physical?<br /><br />Ken Brody, Author at Broken Symmetry Publishing<br />Answered Jan 27<br />Information is physical, conserved, and real.<br /><br />Information mechanics is a real, physical science and I worked in it for years. Claude Shannon first described the information content of a stream of digits. Ludwig Boltzmann formulated entropy as the number of free states in a system, which is the generally accepted definition today. That defines a relationship between information and entropy. Stephen Hawking based his ideas about black hole radiation and evaporation on the conservation of information.<br /><br />Going further, Seth Lloyd has described a very plausible idea that the universe consists wholly of information, and that the 10^90 particles in the universe constitute a quantum computer that is calculating reality. In this idea, we are living in a simulation, but the simulation is the same as the reality — there is no “outside”.<br /><br />I also refer you to John Wheeler’s discourse, “It from Bit”.<br /><br />It from Bit: Pioneering Physicist John Archibald Wheeler on Information, the Nature of Reality, and Why We Live in a Participatory Universe<br /><br />Be careful of information. Chaos is the state where information is is plentiful but useless.",
"to": [
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"url": "https://www.minds.com/newsfeed/1077775213488873472",
"published": "2020-02-22T02:13:54+00:00",
"source": {
"content": "Is information non-physical?\n\nKen Brody, Author at Broken Symmetry Publishing\nAnswered Jan 27\nInformation is physical, conserved, and real.\n\nInformation mechanics is a real, physical science and I worked in it for years. Claude Shannon first described the information content of a stream of digits. Ludwig Boltzmann formulated entropy as the number of free states in a system, which is the generally accepted definition today. That defines a relationship between information and entropy. Stephen Hawking based his ideas about black hole radiation and evaporation on the conservation of information.\n\nGoing further, Seth Lloyd has described a very plausible idea that the universe consists wholly of information, and that the 10^90 particles in the universe constitute a quantum computer that is calculating reality. In this idea, we are living in a simulation, but the simulation is the same as the reality — there is no “outside”.\n\nI also refer you to John Wheeler’s discourse, “It from Bit”.\n\nIt from Bit: Pioneering Physicist John Archibald Wheeler on Information, the Nature of Reality, and Why We Live in a Participatory Universe\n\nBe careful of information. Chaos is the state where information is is plentiful but useless.",
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"id": "https://www.minds.com/api/activitypub/users/1077436985200615432/entities/urn:activity:1077775213488873472/activity"
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{
"type": "Create",
"actor": "https://www.minds.com/api/activitypub/users/1077436985200615432",
"object": {
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"id": "https://www.minds.com/api/activitypub/users/1077436985200615432/entities/urn:activity:1077774959673704448",
"attributedTo": "https://www.minds.com/api/activitypub/users/1077436985200615432",
"content": "Is using a black hole as an energy supply for space travel worth the research?<br /><br />Ken Brody, studied Physics at Rensselaer Polytechnic Institute<br />Answered Jan 27<br />A black hole converts the infalling matter to energy at an efficiency as high as 40%. Compare that to fission or fusion, at 2–3%.<br /><br />Black holes can be any size, down to Planck length. The problem is that conveniently small black holes evaporate very fast, explosively. Stable black holes are too massive for use.<br /><br />The energy in a black hole is a very compact form of potential energy from gravitation. You probably cannot make a better, more compact battery. It is more than a bit unwieldy.<br /><br />I consider this an engineering problem.",
"to": [
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"url": "https://www.minds.com/newsfeed/1077774959673704448",
"published": "2020-02-22T02:12:54+00:00",
"source": {
"content": "Is using a black hole as an energy supply for space travel worth the research?\n\nKen Brody, studied Physics at Rensselaer Polytechnic Institute\nAnswered Jan 27\nA black hole converts the infalling matter to energy at an efficiency as high as 40%. Compare that to fission or fusion, at 2–3%.\n\nBlack holes can be any size, down to Planck length. The problem is that conveniently small black holes evaporate very fast, explosively. Stable black holes are too massive for use.\n\nThe energy in a black hole is a very compact form of potential energy from gravitation. You probably cannot make a better, more compact battery. It is more than a bit unwieldy.\n\nI consider this an engineering problem.",
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"id": "https://www.minds.com/api/activitypub/users/1077436985200615432/entities/urn:activity:1077774959673704448/activity"
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{
"type": "Create",
"actor": "https://www.minds.com/api/activitypub/users/1077436985200615432",
"object": {
"type": "Note",
"id": "https://www.minds.com/api/activitypub/users/1077436985200615432/entities/urn:activity:1077774448446242816",
"attributedTo": "https://www.minds.com/api/activitypub/users/1077436985200615432",
"content": "What would happen if the company \"SpinLaunch\" built a centrifuge in outer space?<br /><br />Ken Brody, studied Physics at Rensselaer Polytechnic Institute<br />Answered Jan 31<br />Spinlaunch is one of three mechanical systems to fling a ship into orbit. Spinlaunch relies strictly on an arm holding the rocket and whirling at high RPM, producing 10,000 g’s, in a vacuum chamber. Of course, this would also work to fling vehicles at the moon from Earth orbit, except that there would be no easy way to mount such a centrifuge in space. The reaction forces would be turning the centrifuge as well as the ship.<br /><br />A second technology uses the principle of the whip to accelerate an object into orbit. A powerful flick of a massive metal chain, and, as the lighter links on the end get progressively smaller, therefore faster, the tip exceeds escape velocity.<br /><br />The third method uses an eccentric grooved plate about a hundred meters in diameter. The plate is jiggled in such a way that the ship, constrained to the grooves, oscillates around the plate in increasing gyres until it exits the circumference of the plate at escape velocity. It also subjects the ship to extreme g forces, and has a different set of engineering obstacles to overcome.<br /><br />All in all, mechanical launch systems may depend too much on exotic materials to bear rockets except for small payloads. They maybe more useful as adjuncts to rockets in a hybrid design.",
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"url": "https://www.minds.com/newsfeed/1077774448446242816",
"published": "2020-02-22T02:10:52+00:00",
"source": {
"content": "What would happen if the company \"SpinLaunch\" built a centrifuge in outer space?\n\nKen Brody, studied Physics at Rensselaer Polytechnic Institute\nAnswered Jan 31\nSpinlaunch is one of three mechanical systems to fling a ship into orbit. Spinlaunch relies strictly on an arm holding the rocket and whirling at high RPM, producing 10,000 g’s, in a vacuum chamber. Of course, this would also work to fling vehicles at the moon from Earth orbit, except that there would be no easy way to mount such a centrifuge in space. The reaction forces would be turning the centrifuge as well as the ship.\n\nA second technology uses the principle of the whip to accelerate an object into orbit. A powerful flick of a massive metal chain, and, as the lighter links on the end get progressively smaller, therefore faster, the tip exceeds escape velocity.\n\nThe third method uses an eccentric grooved plate about a hundred meters in diameter. The plate is jiggled in such a way that the ship, constrained to the grooves, oscillates around the plate in increasing gyres until it exits the circumference of the plate at escape velocity. It also subjects the ship to extreme g forces, and has a different set of engineering obstacles to overcome.\n\nAll in all, mechanical launch systems may depend too much on exotic materials to bear rockets except for small payloads. They maybe more useful as adjuncts to rockets in a hybrid design.",
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"id": "https://www.minds.com/api/activitypub/users/1077436985200615432/entities/urn:activity:1077774448446242816/activity"
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{
"type": "Create",
"actor": "https://www.minds.com/api/activitypub/users/1077436985200615432",
"object": {
"type": "Note",
"id": "https://www.minds.com/api/activitypub/users/1077436985200615432/entities/urn:activity:1077773832623509504",
"attributedTo": "https://www.minds.com/api/activitypub/users/1077436985200615432",
"content": "If you could view the universe on a small enough scale, would it appear pixelated because of the Planck distance?<br /><br />Ken Brody, studied Physics at Rensselaer Polytechnic Institute<br />Answered Feb 2<br />Apart from the fact that there is no known way to view anything at Planck scale (it is very much smaller than any possible electromagnetic wave), yes, there might be pixelation.<br /><br />If the universe were designed to be a simulation, and the art of the design was to hide the details of the design, than a least action limit of Planck size and the speed of light would do it. At Planck wavelength a photon has enough energy to become a tiny black hole. In fact, that is a definition of Planck scale.<br /><br />You can’t see details on that scale.",
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"url": "https://www.minds.com/newsfeed/1077773832623509504",
"published": "2020-02-22T02:08:25+00:00",
"source": {
"content": "If you could view the universe on a small enough scale, would it appear pixelated because of the Planck distance?\n\nKen Brody, studied Physics at Rensselaer Polytechnic Institute\nAnswered Feb 2\nApart from the fact that there is no known way to view anything at Planck scale (it is very much smaller than any possible electromagnetic wave), yes, there might be pixelation.\n\nIf the universe were designed to be a simulation, and the art of the design was to hide the details of the design, than a least action limit of Planck size and the speed of light would do it. At Planck wavelength a photon has enough energy to become a tiny black hole. In fact, that is a definition of Planck scale.\n\nYou can’t see details on that scale.",
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"id": "https://www.minds.com/api/activitypub/users/1077436985200615432/entities/urn:activity:1077773832623509504/activity"
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{
"type": "Create",
"actor": "https://www.minds.com/api/activitypub/users/1077436985200615432",
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"id": "https://www.minds.com/api/activitypub/users/1077436985200615432/entities/urn:activity:1077773471211683840",
"attributedTo": "https://www.minds.com/api/activitypub/users/1077436985200615432",
"content": "When we are told that mass curves space, is that literally true?<br /><br />Ken Brody, studied Physics at Rensselaer Polytechnic Institute<br />Answered Feb 2<br />It is literally true that mass curves spacetime. We can see it, we can measure it, it works just like Einstein described it. Many experiments have been made to test it and they all show the observations agree with General Relativity.<br /><br />Space and time are not independent things. They are INTERDEPENDENT, as in spacetime.<br /><br />Unlike the other three forces, gravity is both unipolar ( always attractive) and far-reaching. Its cumulative effect on matter on the scale of planets, galaxies and galactic clusters is apparent.<br /><br />The existence of black holes and gravity waves is unequivocal, all best described as bent spacetime.<br /><br />In a simple description of GR: “Mass tells spacetime how to bend. Spacetime tells mass how to move.”",
"to": [
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"url": "https://www.minds.com/newsfeed/1077773471211683840",
"published": "2020-02-22T02:06:59+00:00",
"source": {
"content": "When we are told that mass curves space, is that literally true?\n\nKen Brody, studied Physics at Rensselaer Polytechnic Institute\nAnswered Feb 2\nIt is literally true that mass curves spacetime. We can see it, we can measure it, it works just like Einstein described it. Many experiments have been made to test it and they all show the observations agree with General Relativity.\n\nSpace and time are not independent things. They are INTERDEPENDENT, as in spacetime.\n\nUnlike the other three forces, gravity is both unipolar ( always attractive) and far-reaching. Its cumulative effect on matter on the scale of planets, galaxies and galactic clusters is apparent.\n\nThe existence of black holes and gravity waves is unequivocal, all best described as bent spacetime.\n\nIn a simple description of GR: “Mass tells spacetime how to bend. Spacetime tells mass how to move.”",
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}
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"id": "https://www.minds.com/api/activitypub/users/1077436985200615432/entities/urn:activity:1077773471211683840/activity"
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"id": "https://www.minds.com/api/activitypub/users/1077436985200615432/outbox",
"partOf": "https://www.minds.com/api/activitypub/users/1077436985200615432/outboxoutbox"
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