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 0xde98e3b1e2ed6fb922573757ea0e77a5fd3f849701b16b33a1fd5875ae5b67b5. 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/c322d803-3484-4365-94ec-13a104156026.json and https://artists.proofprofile.net/proofs/artist/c322d803-3484-4365-94ec-13a104156026.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Summer Time in the Ghetto (feat. Vex & Don Strapzy)
Ain't Telling Me Nutten (feat. Goldie 1 & Margs)
{"copyright_id":"0xb803591603a52bb01e830da3366b5bd7f9f11b17baaa81a4594603bead723066","isrc":"TCADL1875478","name":"Fitb 3rd Verse (feat. Bobbi Zion)","registered_at":"2026-06-29T11:53:00Z","spotify_id":"3Eb3W71yxrBgV8iGydSbKm","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 0xb803591603a52bb01e830da3366b5bd7f9f11b17baaa81a4594603bead723066. 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/3Eb3W71yxrBgV8iGydSbKm.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/3Eb3W71yxrBgV8iGydSbKm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e056274dde0530a0e94d4ee0b5731b99c8347670ea86ba57a0ee13be6540514. 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/2JKWrp9gJ30yPtU846M5W4.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/2JKWrp9gJ30yPtU846M5W4.
Rapman Presents: Blue Story, Music Inspired By The Original Motion Picture
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x144c40953733115d15a8cc8ca59a14700e1785c0c54fe41264921649613ef06d. 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/3V03ay4yAFbhykhH02BZSn.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/3V03ay4yAFbhykhH02BZSn.
{"copyright_id":"0x1b29f2e0d728b7ceeeb7e5336bbb30d1583d0c7639fbf09435ec487b36c7b783","isrc":"QMJMT1902469","name":"Dark Was The Case","registered_at":"2026-06-08T03:49:10Z","spotify_id":"0lp2gWpNRcEvFF48h1EcC8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b29f2e0d728b7ceeeb7e5336bbb30d1583d0c7639fbf09435ec487b36c7b783. 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/0lp2gWpNRcEvFF48h1EcC8.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/0lp2gWpNRcEvFF48h1EcC8.
{"copyright_id":"0xc6b01add6943ff374b5e95f770d6ddb04957984712f62e8b52f2e0baa789c473","isrc":"QMJMT1902471","name":"Dirty Digits feat. S Loud","registered_at":"2026-06-10T04:29:58Z","spotify_id":"4Pd6w5aSEQCrsLnhaQEZ0M","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6b01add6943ff374b5e95f770d6ddb04957984712f62e8b52f2e0baa789c473. 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/4Pd6w5aSEQCrsLnhaQEZ0M.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/4Pd6w5aSEQCrsLnhaQEZ0M.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x674b73cf8466dfa7e9cf48b67a3de33c2a96849555bb7c566647b48858ad2ee8. 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/6KxL7AtMEAw8cfCJOyjhEb.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/6KxL7AtMEAw8cfCJOyjhEb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaaf643ea948fafe320bb0c273d2dd8dea44e00faddd0de7bbba0500449be004. 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/38LEHoPNZ4LQIVYR0xEMgl.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/38LEHoPNZ4LQIVYR0xEMgl.
{"copyright_id":"0xb26335f303d661a86fd27bc126b94a35cf9f605c2f2005f2ec650c1c3b20a2ad","isrc":"QMJMT1902477","name":"South East London","registered_at":"2026-06-09T14:56:47Z","spotify_id":"1FMM2ZK0wK7RIQTbi8OiSu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb26335f303d661a86fd27bc126b94a35cf9f605c2f2005f2ec650c1c3b20a2ad. 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/1FMM2ZK0wK7RIQTbi8OiSu.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/1FMM2ZK0wK7RIQTbi8OiSu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef735ded36caa24dd68a70b85dff4996f2cb10e0c211412e5cdce3a027510752. 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/5HiXZSOcCKJ7NOKWL0VVL7.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/5HiXZSOcCKJ7NOKWL0VVL7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80e8620feb2dcfcb1d02925e0ed285b582263c2a38560767931ded320814c1e8. 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/6pGJU8CB2fmRbEfgVDDUAl.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/6pGJU8CB2fmRbEfgVDDUAl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x954f2ffb0032f450d3867a79728b261af055d0d161ba85878bbbea17a0a3e83f. 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/6FjX1AwiYl8kF4wmQNmM4M.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/6FjX1AwiYl8kF4wmQNmM4M.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28ef4e1d6c73737c308325c4f44c3d99783771187ef8fa36055b5f3b2f11681f. 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/49hTzonr9KzhFcS8376Ked.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/49hTzonr9KzhFcS8376Ked.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d9a83032aac56f19a1f2c322f6a1f6707dccbb7b80c3b319e3678bb1b078315. 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/4j05uUaSGl8ETBnPWsKXTZ.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/4j05uUaSGl8ETBnPWsKXTZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x294f78acff7974db2c566c676c0d4e269e7846e4af872e4a5c9e97d218143947. 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/0JzBPiF71YhooMgOQTjbkx.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/0JzBPiF71YhooMgOQTjbkx.
Supacell (Soundtrack from the Netflix Series)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57097820d835644e21674d700e7c5948b59613658f6e62ac22fa38737422853c. 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/3OXt3v3mEMLcdp45xuQ9Xa.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/3OXt3v3mEMLcdp45xuQ9Xa.
{"copyright_id":"0xcd58042adfecc5f43e3d104d5c5f1878bbc2483eccad6aefd1d6e64ed6861636","isrc":"TCADT1834214","name":"The Convo, Pt. 3","registered_at":"2026-06-11T15:22:12Z","spotify_id":"3P9klu5RawPdGxUVn7wV4X","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd58042adfecc5f43e3d104d5c5f1878bbc2483eccad6aefd1d6e64ed6861636. 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/3P9klu5RawPdGxUVn7wV4X.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/3P9klu5RawPdGxUVn7wV4X.