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 0x2058fc54973f4f3e3eaef9d8331f53000f4a9cdcc6f721e362cf7325a3fb47b0. 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/aac000f5-f8ba-45d9-ae19-96f4bf804528.json and https://artists.proofprofile.net/proofs/artist/aac000f5-f8ba-45d9-ae19-96f4bf804528.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xe471872d059364aece3b124894d9be915ba30429dcdf7f3f385f825496913a1c","isrc":"DETV91500909","name":"Zero Trois Zero (feat. Exxar)","registered_at":"2026-06-18T03:25:40Z","spotify_id":"6egs3ECEWkmVujw9lcMxoo","type":"track"}
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 0xe471872d059364aece3b124894d9be915ba30429dcdf7f3f385f825496913a1c. 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/6egs3ECEWkmVujw9lcMxoo.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/6egs3ECEWkmVujw9lcMxoo.
{"copyright_id":"0x7df91fb32ceae531150492ca107d2ebe78a69e112f2e2e436a63bcfca47a6435","isrc":"DETV91500910","name":"Porsche Design (From \"4 Blocks\")","registered_at":"2026-06-05T22:43:50Z","spotify_id":"5GNTZraD77xmmktVQkvRWE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7df91fb32ceae531150492ca107d2ebe78a69e112f2e2e436a63bcfca47a6435. 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/5GNTZraD77xmmktVQkvRWE.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/5GNTZraD77xmmktVQkvRWE.
{"copyright_id":"0x2bfbf8c939e6a0eb5b842ae56159dbc3c3171adbcc14d104236c6bab3ba06d00","isrc":"DETV91500911","name":"Cristiano Ronaldo (From \"4 Blocks\")","registered_at":"2026-06-04T16:07:15Z","spotify_id":"2WA4xbWmuS9fhcQfApnNeR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bfbf8c939e6a0eb5b842ae56159dbc3c3171adbcc14d104236c6bab3ba06d00. 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/2WA4xbWmuS9fhcQfApnNeR.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/2WA4xbWmuS9fhcQfApnNeR.
Hattrick 4 (From "4 Blocks") (feat. Zero.5)
{"copyright_id":"0x0ecd0bd58911139569a8ec8efffd58b582a2257add977652b05f15d5ada6cd3d","isrc":"DETV91500912","name":"Hattrick 4 (From \"4 Blocks\") (feat. Zero.5)","registered_at":"2026-06-08T13:16:33Z","spotify_id":"3EEHviKlxmp5dr6kEhSJ6R","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ecd0bd58911139569a8ec8efffd58b582a2257add977652b05f15d5ada6cd3d. 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/3EEHviKlxmp5dr6kEhSJ6R.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/3EEHviKlxmp5dr6kEhSJ6R.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5d04c1284db868c331844f56d0bd7b0616ed8ee413a873bc18f8298ef0bfc96. 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/0Gw8QJ3bBp3vLdsTx0qT7c.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/0Gw8QJ3bBp3vLdsTx0qT7c.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dd64d64a82ea2cd8b7e1295728a7279de13b902ee4d93d4b588c19ec7574bcf. 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/7uf1Z5yeGcm2ojbPdpmw5C.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/7uf1Z5yeGcm2ojbPdpmw5C.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06229fcaf4ecbe602546e67166fa9973176770b58f23e401340c5e75dc2e9fd8. 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/6zyNLb6M4FS6mcLeO23CsJ.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/6zyNLb6M4FS6mcLeO23CsJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a3cc5841efd1b5b7ba31bb8597d74b5826a15e443d4ca8bb643eae21e3700b2. 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/1shIOT4kCRuBM3dwGUV9kJ.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/1shIOT4kCRuBM3dwGUV9kJ.
{"copyright_id":"0x04112ffbf07a41cd7c2060dfdef9bff83aab7c0eea797d685a2c4e13ad532ab8","isrc":"DETV91500917","name":"Mike Tyson","registered_at":"2026-06-08T21:26:39Z","spotify_id":"0DjtDj2NG0Jn1LdYuB1EBy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04112ffbf07a41cd7c2060dfdef9bff83aab7c0eea797d685a2c4e13ad532ab8. 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/0DjtDj2NG0Jn1LdYuB1EBy.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/0DjtDj2NG0Jn1LdYuB1EBy.
{"copyright_id":"0xa166aebba14f2796368cee4d4cd69a393128607855db3f12bf39e2dde0acc466","isrc":"DETV91500918","name":"Mord Obduktion","registered_at":"2026-06-09T09:16:45Z","spotify_id":"3qiOK7HjRNSN9ovfQ8BF1y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa166aebba14f2796368cee4d4cd69a393128607855db3f12bf39e2dde0acc466. 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/3qiOK7HjRNSN9ovfQ8BF1y.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/3qiOK7HjRNSN9ovfQ8BF1y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x524f23f9614f0ad95f4c28a21743486631c2e14cbac68a250b4d201d74f8a0ad. 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/0R2S3mk9B1b9tKv9uax9Rr.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/0R2S3mk9B1b9tKv9uax9Rr.
Was!?!? (feat. OG Boobie Black & Sami Nasser)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x259b625e980eac815fcc89cf8e96db6852570af8149a703426309eb0a3a484a6. 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/53H1qK48cxCb18uOQfd89M.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/53H1qK48cxCb18uOQfd89M.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x867e462a34b0703dae60bba53674bee820e16fd7f5e8b788420ac547c1d57267. 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/1CxGvJGJworAPgpzmu8iLH.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/1CxGvJGJworAPgpzmu8iLH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60f0df1cc5452cf6d5e03c301db9bad40203219942d34da0f29fe2a24238843d. 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/0MWCf6Mc0imEsiZ3XwARtp.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/0MWCf6Mc0imEsiZ3XwARtp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e52aa8466a2a538949e8c1eda9a266bf5cd939513731783c9ec95ac1daed351. 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/0tED0pwuD4H2MQKji0qsb7.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/0tED0pwuD4H2MQKji0qsb7.
{"copyright_id":"0x4e232b4c12335c2707b67c4b3e2a9a622f732a6a63323a1a1b19efdc1c41f9b5","isrc":"FR2X41749626","name":"Miami Vice (feat. Sami Nasser)","registered_at":"2026-06-06T23:55:11Z","spotify_id":"6UmcOSM5ZJ5qiroFFysjIp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e232b4c12335c2707b67c4b3e2a9a622f732a6a63323a1a1b19efdc1c41f9b5. 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/6UmcOSM5ZJ5qiroFFysjIp.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/6UmcOSM5ZJ5qiroFFysjIp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x727c1e990a1040375daa089703b18e089cda24e5d3432c8b9f42c35f8758f945. 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/58ApsAvgxOcFGEbua1O4Kh.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/58ApsAvgxOcFGEbua1O4Kh.
{"copyright_id":"0x6b261b18393d8896ac41fbe08d8021b440fb1de6f06c55b957de7ebb98d8fbf5","isrc":"FR2X41749628","name":"T.M.C (Trenchcoat Mafia City)","registered_at":"2026-06-18T14:50:07Z","spotify_id":"0mWahWHMhXZTRskTziG2jV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b261b18393d8896ac41fbe08d8021b440fb1de6f06c55b957de7ebb98d8fbf5. 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/0mWahWHMhXZTRskTziG2jV.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/0mWahWHMhXZTRskTziG2jV.
{"copyright_id":"0xe9792a9b674afee766cde658ccc3ca84234cb28eef26fa04904f8165a8da8f45","isrc":"FR2X41749629","name":"Green Sky (feat. Eko Fresh & Veysel)","registered_at":"2026-06-20T05:51:59Z","spotify_id":"0ohZLfC5KQYG8vK4h6ExWq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9792a9b674afee766cde658ccc3ca84234cb28eef26fa04904f8165a8da8f45. 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/0ohZLfC5KQYG8vK4h6ExWq.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/0ohZLfC5KQYG8vK4h6ExWq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd7705892a4532c469b4b1abdc389c88f53fa54c300b4850311bb4217be41846. 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/0l1Sr6zkYocfP3aSNWaWSc.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/0l1Sr6zkYocfP3aSNWaWSc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8348a61fcc4429864bfc35ff57e139d31bec41746c209ab59349cc589572749. 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/0rstw3dUK6WUQwkm25wX1S.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/0rstw3dUK6WUQwkm25wX1S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64de23326282c8112f89f5e990870c4a6e1c6a42cd1d1cf1f4edb637b302ef98. 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/0ipK6eyQFImmKOPESMqvDE.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/0ipK6eyQFImmKOPESMqvDE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa075829034c525c22f3b00eefa8f25a59efee47998b2411e0055b3380ea393a. 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/69P4PGcRDsmwK43Ru62gRu.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/69P4PGcRDsmwK43Ru62gRu.
T.M.C (Trenchcoat Mafia City) - Instrumental
E.S.G. 2 (Es stand geschrieben 2) - Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x200264e5bc32d80f1172719be19d67da04fbb972ab2de33d274a141c01dfd43d. 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/2dFFL5o0oCoC89loL2J76d.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/2dFFL5o0oCoC89loL2J76d.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4db067f2bf6fb0b8707dca492999cee8399d13134b713e206e55273cccc884f5. 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/1jA4O0W4jFXjzL5AZwp3a9.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/1jA4O0W4jFXjzL5AZwp3a9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e4eb25ac9f9daedb24b2f3648eeabccfca1174ee37d6ffa97da9ed1e4878064. 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/6CnBXwJj6ok2Ro82PLfkcp.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/6CnBXwJj6ok2Ro82PLfkcp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fec2c75d607c79403ae79651278f3e90a943e011e8c4c51a417fb6d225587b5. 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/4hd1gGQOexPwMpeiXtMhaX.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/4hd1gGQOexPwMpeiXtMhaX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96d02916d71fc7e613b6b54a6bfaba6626051792938999ac190d747a97a346c7. 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/09WzOZoRLLGrKo403N5COE.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/09WzOZoRLLGrKo403N5COE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9d650803bad6af1827b27ca7f0d896f14d9622b7e864dd6ed85a204197d4e94. 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/3QzGntc4Q6vBhuUl7DJor0.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/3QzGntc4Q6vBhuUl7DJor0.
{"copyright_id":"0xbfa00ae8c1de1e2826f2b542c9236e895fca8b16adc209679835307a0cbaf081","isrc":"DEKF21900075","name":"GRiNGO CITY 2","registered_at":"2026-06-04T14:55:23Z","spotify_id":"2IPUtrPGu2MEcJ3yzbrbLL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfa00ae8c1de1e2826f2b542c9236e895fca8b16adc209679835307a0cbaf081. 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/2IPUtrPGu2MEcJ3yzbrbLL.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/2IPUtrPGu2MEcJ3yzbrbLL.
{"copyright_id":"0x5c02d8b60878fe41a42c61938ab0c3dcc940decb0964fe16e412ba80ff9cee57","isrc":"DEKF21900016","name":"KHABIB (feat. HK)","registered_at":"2026-06-07T13:42:53Z","spotify_id":"4fS9Z0xz8VDTlQHEiItvZN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c02d8b60878fe41a42c61938ab0c3dcc940decb0964fe16e412ba80ff9cee57. 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/4fS9Z0xz8VDTlQHEiItvZN.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/4fS9Z0xz8VDTlQHEiItvZN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94da75c8d6ba7a73846aa137c6d540030fccefda7272490a263a7757b02507f5. 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/0uf1xobaHuM0pRn0FuYoW7.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/0uf1xobaHuM0pRn0FuYoW7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa62f1ec0e56a93ac63d3cbdb1a80949a343f86d860ef17f57967fe290085d302. 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/3N619KBEdxvs8yNvVng0GQ.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/3N619KBEdxvs8yNvVng0GQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f4e29b64d1aa491b627c76b463c1ad632ce4d8005522c8126a91033cb37cb85. 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/0brPkLvtNhOf5q73xb1Syf.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/0brPkLvtNhOf5q73xb1Syf.
{"copyright_id":"0x920ccbad0448bb68bbebf8215a2b6fb2755584d003dfaf0fb0f71cde64e84761","isrc":"DEKF22001699","name":"Backstreet Boys","registered_at":"2026-06-10T17:29:53Z","spotify_id":"7pHhFz0hvYw82QF7GR4ylP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x920ccbad0448bb68bbebf8215a2b6fb2755584d003dfaf0fb0f71cde64e84761. 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/7pHhFz0hvYw82QF7GR4ylP.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/7pHhFz0hvYw82QF7GR4ylP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x283099ccc246c0be94d28aa9def123d8d49c0e36e2d26ceaa32937dd2ec9d01a. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:43:25Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7JXmojhOjfKcLDfmwEzkzQ.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/7JXmojhOjfKcLDfmwEzkzQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f031447fded7d19f97596b562298520f60ff8f1ae54cf8f7c2fcefc142294a7. 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/1ab6pk4XdWcNLV3AXll5W8.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/1ab6pk4XdWcNLV3AXll5W8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc264b13884dc74c49c3fa3b24883583f24d314f2eff156c065e6834c30d36a57. 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/5mC2KzwxGjv7jJo1ZkMPOd.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/5mC2KzwxGjv7jJo1ZkMPOd.