1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96aae0a3a543c408ab9f282d1d01104afc9be11d319597379e8d32d9decedc9a. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e971250a-3043-412f-87c4-a1957bcae10c.json and https://artists.proofprofile.net/proofs/artist/e971250a-3043-412f-87c4-a1957bcae10c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa38df11cc0dd9efed80f7c88aab35701a808c2507f658513e530f17087e35036. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2fCV2Wko0b4ToipDJS6yun.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2fCV2Wko0b4ToipDJS6yun.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb785a179f382d368b4f8ed69d1f6a7747b48920f8a7c780c0cf9d58799744fb2. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Jc9xQ5deD004yCIK8Q8yH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Jc9xQ5deD004yCIK8Q8yH.
{"copyright_id":"0xec9ec0f9b9719361d0c3e3b8afcd68c9b3eb2ef9ef276827615d1eaf4fabcbb5","isrc":"USMC19753171","name":"All Mine","registered_at":"2026-06-08T23:16:22Z","spotify_id":"6YOjLySXU5KilNpaATMqp5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec9ec0f9b9719361d0c3e3b8afcd68c9b3eb2ef9ef276827615d1eaf4fabcbb5. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6YOjLySXU5KilNpaATMqp5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6YOjLySXU5KilNpaATMqp5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5df6aa6e4f96e8ac874790ddfdc41def8dafab5d4e8b9380cf3344bb96f5d24. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2JU187sCrRXPkSOQ3oSlGa.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2JU187sCrRXPkSOQ3oSlGa.
{"copyright_id":"0x27e18babf3859b97cfc37c0ea20f9a231cff56e32bed73b92008f4aaaec130cf","isrc":"USMC19753173","name":"Next To You","registered_at":"2026-06-23T16:32:13Z","spotify_id":"0jXCpahjXSDfWHuuE5kJBK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27e18babf3859b97cfc37c0ea20f9a231cff56e32bed73b92008f4aaaec130cf. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0jXCpahjXSDfWHuuE5kJBK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0jXCpahjXSDfWHuuE5kJBK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f252a33b97986237865c5ed3a83614fcb842f4d7a478061cedf8f60c9cbf1ee. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/72tf8y0MrsHOnJV4GM396G.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/72tf8y0MrsHOnJV4GM396G.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33d6584de4bf0aca71ccc21d1a2f5a7a76b7bf6941410bca346a2eb9a4322599. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7JadqLDWYR3hrtRPzo61Gi.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7JadqLDWYR3hrtRPzo61Gi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x565ca7698e45ff58a24b7bd6800a8fde6231dae4d69e0dc965497b14ed14e739. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0RRCQ82UsqCqi36tYuiKB8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0RRCQ82UsqCqi36tYuiKB8.
{"copyright_id":"0x6af88c2dcbfccacacaea8bab6b7cf0717a28e89021d689d2d5af319ebf4445f4","isrc":"USMC19753177","name":"Cold Shower","registered_at":"2026-06-10T22:14:35Z","spotify_id":"5T180uZXTkBu2Kg5Nvo1HX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6af88c2dcbfccacacaea8bab6b7cf0717a28e89021d689d2d5af319ebf4445f4. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5T180uZXTkBu2Kg5Nvo1HX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5T180uZXTkBu2Kg5Nvo1HX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a85d21701e6891ebb370a736593d6a42a068f6c3fba0af3bbd3458035137ba8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/50WD2VKfFTpKZTgTBvbryC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/50WD2VKfFTpKZTgTBvbryC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8aebd46b408603b037051b6527740bdd0ad945b074c6a6be4727110ce769b848. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/00WCkoUTyeBr5jTo21sGvr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/00WCkoUTyeBr5jTo21sGvr.
{"copyright_id":"0x964ac6fdc93a518344cb0c896ea01320580fd7343ecc7abd2ec8d90d2dc9bfa1","isrc":"USMC19753180","name":"Stand By","registered_at":"2026-06-24T07:16:05Z","spotify_id":"4Qqz16a1cNCliYsedTX7PU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x964ac6fdc93a518344cb0c896ea01320580fd7343ecc7abd2ec8d90d2dc9bfa1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Qqz16a1cNCliYsedTX7PU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Qqz16a1cNCliYsedTX7PU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ed524b9b5f84ff60819a6045128ccfa09461c75a31797dd69835cf4046ffd32. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ODu5Tn7O83wiComGtud8M.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ODu5Tn7O83wiComGtud8M.
{"copyright_id":"0xf564bc9abfa2cfa4eb6f42efb8a331b6ece88b8965c6264ce782ca82d86618f6","isrc":"USMC19753182","name":"Big Mouth","registered_at":"2026-06-24T22:10:02Z","spotify_id":"60vDfbZEUlsKByFIAOrqFc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf564bc9abfa2cfa4eb6f42efb8a331b6ece88b8965c6264ce782ca82d86618f6. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/60vDfbZEUlsKByFIAOrqFc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/60vDfbZEUlsKByFIAOrqFc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e62e272a0203c506d91ba31e8e3b768b9eacfc7124606b0b070e89ad9e2d835. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4ZSdze7jWU95Ev4S3HxKke.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4ZSdze7jWU95Ev4S3HxKke.
Skratch Magazine Interview No. 3 (Bonus Track)
Punk Rock Is Your Friend: Kung Fu Records Sampler, No. 6