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 0x01110a94a3fab768b80fd0a41c2d4862db138ca27b921c1ef4aff609a6164ec0. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/47caa104-6f55-4b01-8b78-ce09076f86bb.json and https://artists.proofprofile.net/proofs/artist/47caa104-6f55-4b01-8b78-ce09076f86bb.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 0x1aabe79566de993518c9669e4bfa969f737977ef4eef03b9bb98f653994840de. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3aMMJv0FVfiDOorrsOE98z.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/3aMMJv0FVfiDOorrsOE98z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x198037afcf4f77488e68a5f6f016e4137e2cb756d256d972323d53c7da9f8dc6. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/39527kKnxXg0FJLkChbnKd.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/39527kKnxXg0FJLkChbnKd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20a1f8c740cb189145a59cd3e6f1de0fed85f6446f0361e8de887a87ed9515ae. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/21t9qQPvbYazBbvtwCMWBA.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/21t9qQPvbYazBbvtwCMWBA.
Spam Masubi Cigarette - Audiotree Live version
Straight Crushes - Audiotree Live version
They Don't Know - Audiotree Live version
Cupid's Out Tonight - Audiotree Live version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4688fe8adee5d6bae6f77bee8ab7b6cf02153d18386be5d65d7f8982a48682c. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7b2KHBzv0lZ7a6Rd4I6llB.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/7b2KHBzv0lZ7a6Rd4I6llB.
If I Had To Go I Would Leave The Door Closed Half Way
If I Had To Go I Would Leave the Door Closed Half Way
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x280e4eb7f457a4b520a7e5f1d0e6f98815cc4147f2c1661deea08350e760d598. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/02uf38cKMvfD0mHtfFcOXb.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/02uf38cKMvfD0mHtfFcOXb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a1c6fa16c9e7e00f6e0246042d36dd2d842813b32c356e511fa91a84f73ad8c. 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/3wUne0H6z9p8PdkXZqOKRs.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/3wUne0H6z9p8PdkXZqOKRs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd182ff521d4e83e5c8519271d1a41ac0d85634dd821e76dc7074a6971b9639fe. 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/03GpxtSprNz87BY8ikorKP.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/03GpxtSprNz87BY8ikorKP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb5170939df340677f42a1b7e5eef0696a7d7acff04845e1eb56e6c985919546. 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/6Q0DSFxZRmp3G5QW4PxXDd.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/6Q0DSFxZRmp3G5QW4PxXDd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e0921893426871e3df6df9d10c8d499426ff85ba89ba71f81616297c11d6433. 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/5ln4KZ8ALaOzZzzPX8sPw1.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/5ln4KZ8ALaOzZzzPX8sPw1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06e84c8c4fb8c1ae193f7899f02721619ef746da3e3843ca2f9a836316318be6. 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/6eCb4BAEn8cLWZ9E9zqCkS.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/6eCb4BAEn8cLWZ9E9zqCkS.
{"copyright_id":"0x90f9d3eeb115c333a33ab981e1bfc314ee5204ed53862f9ee7c15e302b91e06d","isrc":"GBMYF2200005","name":"Hold Me Down","registered_at":"2026-06-04T09:35:34Z","spotify_id":"19XFbQ0VQyYDEUjJ3XUUIP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90f9d3eeb115c333a33ab981e1bfc314ee5204ed53862f9ee7c15e302b91e06d. 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/19XFbQ0VQyYDEUjJ3XUUIP.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/19XFbQ0VQyYDEUjJ3XUUIP.
{"copyright_id":"0xd4b88b039da3bee5719caf6e73e7a2956583d4f1ca88ce56e9e9dedd1a600e5f","isrc":"GBMYF2000123","name":"On Fye","registered_at":"2026-06-01T17:10:13Z","spotify_id":"6qLQ0K5jkOB0QrbDwNmKg9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4b88b039da3bee5719caf6e73e7a2956583d4f1ca88ce56e9e9dedd1a600e5f. 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/6qLQ0K5jkOB0QrbDwNmKg9.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/6qLQ0K5jkOB0QrbDwNmKg9.
{"copyright_id":"0x44c1b98eeef31a5c3dc07b8179cef6007c5b48f5bd4f997f3152cc36e7eaaed6","isrc":"GBMYF2200006","name":"Codeine Coma","registered_at":"2026-06-06T04:26:10Z","spotify_id":"5TRIQ3ORAGxcKRSWfHFknq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44c1b98eeef31a5c3dc07b8179cef6007c5b48f5bd4f997f3152cc36e7eaaed6. 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/5TRIQ3ORAGxcKRSWfHFknq.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/5TRIQ3ORAGxcKRSWfHFknq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45f1b88a15bd6784a67127356f578f3fdf5eb6e9124f7e8ff6c9a6be9abdf40c. 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/50abGKjCKNzRFhf3JmSVyL.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/50abGKjCKNzRFhf3JmSVyL.
{"copyright_id":"0x0603cbe647f5f0bcad8ec6be005076c64680dc5a5611e319baeac7e745e129d2","isrc":"GBMYF2200008","name":"Rainbow After Rain","registered_at":"2026-06-05T21:31:41Z","spotify_id":"2rNF7ea8ed6HGnBmbnBCmB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0603cbe647f5f0bcad8ec6be005076c64680dc5a5611e319baeac7e745e129d2. 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/2rNF7ea8ed6HGnBmbnBCmB.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/2rNF7ea8ed6HGnBmbnBCmB.
{"copyright_id":"0xe4b225538875d2b6c36855e3cf7167afec63dcce32b31bb883c003d2b8339fa9","isrc":"GBMYF2200009","name":"Berry Bowl Evil Boss Level","registered_at":"2026-06-07T00:08:14Z","spotify_id":"2r7wszg9c1aZajJTqvQcQ3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4b225538875d2b6c36855e3cf7167afec63dcce32b31bb883c003d2b8339fa9. 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/2r7wszg9c1aZajJTqvQcQ3.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/2r7wszg9c1aZajJTqvQcQ3.
{"copyright_id":"0xa05906f9dbd786b13b4d40c5a6cf2f3c8d6d9b8fc7b9a4e9c52fc910b375cf5c","isrc":"GBMYF2200010","name":"Guardian Angel","registered_at":"2026-06-05T08:37:35Z","spotify_id":"4yazQUK424Sd1gw6RaEdD3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa05906f9dbd786b13b4d40c5a6cf2f3c8d6d9b8fc7b9a4e9c52fc910b375cf5c. 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/4yazQUK424Sd1gw6RaEdD3.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/4yazQUK424Sd1gw6RaEdD3.
{"copyright_id":"0xb30637bb52fe7bd39ad2f5a70dbe308fae6104f7b3c837bf8f8155935846774a","isrc":"GBMYF2200011","name":"Cinderella's Daughter","registered_at":"2026-06-04T12:50:21Z","spotify_id":"2iTM7l4pYOQvwDvzia9Ffb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb30637bb52fe7bd39ad2f5a70dbe308fae6104f7b3c837bf8f8155935846774a. 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/2iTM7l4pYOQvwDvzia9Ffb.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/2iTM7l4pYOQvwDvzia9Ffb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe30158d90876fd63851ee0a6a4a57e83cb1e3fe134ee0387cdd27cd9b069f728. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2uR4LQsXcCKn3Zv88p7huB.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/2uR4LQsXcCKn3Zv88p7huB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90f9d3eeb115c333a33ab981e1bfc314ee5204ed53862f9ee7c15e302b91e06d. 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/7j3F83W8dkm10ujNwC0wRJ.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/7j3F83W8dkm10ujNwC0wRJ.
{"copyright_id":"0x0603cbe647f5f0bcad8ec6be005076c64680dc5a5611e319baeac7e745e129d2","isrc":"GBMYF2200008","name":"Rainbow After Rain","registered_at":"2026-06-05T21:31:41Z","spotify_id":"0mebQInrEv7IIf57IoY0om","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0603cbe647f5f0bcad8ec6be005076c64680dc5a5611e319baeac7e745e129d2. 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/0mebQInrEv7IIf57IoY0om.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/0mebQInrEv7IIf57IoY0om.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a1c6fa16c9e7e00f6e0246042d36dd2d842813b32c356e511fa91a84f73ad8c. 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/3q1qEFQ7ruXE9HZeIi61Ia.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/3q1qEFQ7ruXE9HZeIi61Ia.
{"copyright_id":"0xd4b88b039da3bee5719caf6e73e7a2956583d4f1ca88ce56e9e9dedd1a600e5f","isrc":"GBMYF2000123","name":"On Fye","registered_at":"2026-06-01T17:10:13Z","spotify_id":"5a4GnLmXIjtuRQbA8DHucE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4b88b039da3bee5719caf6e73e7a2956583d4f1ca88ce56e9e9dedd1a600e5f. 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/5a4GnLmXIjtuRQbA8DHucE.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/5a4GnLmXIjtuRQbA8DHucE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a1c6fa16c9e7e00f6e0246042d36dd2d842813b32c356e511fa91a84f73ad8c. 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/0N5AyKOTiKUDMNKidsGK5w.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/0N5AyKOTiKUDMNKidsGK5w.
{"copyright_id":"0xd4b88b039da3bee5719caf6e73e7a2956583d4f1ca88ce56e9e9dedd1a600e5f","isrc":"GBMYF2000123","name":"On Fye","registered_at":"2026-06-01T17:10:13Z","spotify_id":"7amS2OUcL9jYnzeiwlvJXu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4b88b039da3bee5719caf6e73e7a2956583d4f1ca88ce56e9e9dedd1a600e5f. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7amS2OUcL9jYnzeiwlvJXu.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/7amS2OUcL9jYnzeiwlvJXu.