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 0x21adab9e9cb7f06cbd2f97506124a3b10d05c85cc0b43b5bb16c64123bfdf60c. 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/c1a9757f-3ad6-4482-ad48-8d1660420890.json and https://artists.proofprofile.net/proofs/artist/c1a9757f-3ad6-4482-ad48-8d1660420890.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 0xdc84822f046524e631cefee872a9725b8046ddfae6535713f7337bae55c8b3e5. 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/32wlqB679yvDz4TR7xZyy7.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/32wlqB679yvDz4TR7xZyy7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e417804a2dfee37aab9a43be62d37602389e3f081b331461eb035951ac2b92a. 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/5fYVycm3Wf2lGZ7jQZ12j8.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/5fYVycm3Wf2lGZ7jQZ12j8.
{"copyright_id":"0xf8d52aec30e5c36c2d13ef9cacefc0dfd37e71db48dfe8449a28f58d518956d9","isrc":"USC4R0817557","name":"Don’t Hold Back","registered_at":"2026-06-25T10:32:46Z","spotify_id":"17xcqsDkGqeSDdMU0RaWgc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8d52aec30e5c36c2d13ef9cacefc0dfd37e71db48dfe8449a28f58d518956d9. 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/17xcqsDkGqeSDdMU0RaWgc.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/17xcqsDkGqeSDdMU0RaWgc.
{"copyright_id":"0xa16c522db48f816c38fbeff976de34e2d9ec74cbd940e99b369913cb7223b8d8","isrc":"USC4R0817564","name":"You Got Something","registered_at":"2026-06-06T18:43:11Z","spotify_id":"6kgoODBaVQxz9GM3yJeZN7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa16c522db48f816c38fbeff976de34e2d9ec74cbd940e99b369913cb7223b8d8. 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/6kgoODBaVQxz9GM3yJeZN7.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/6kgoODBaVQxz9GM3yJeZN7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x202ad51d5118e09564f1fbfe177f2a3bd71b7f2db3247897e30a85aeb0f7b3e8. 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/4eyW31P8Yqurn4ORVjNK8P.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/4eyW31P8Yqurn4ORVjNK8P.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94304ff4edc4289ad1b01809867c44696751d7c5a51db92ccbc72ab56d21eeae. 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/5YU6PyMMN6d8GGjQJsjSmC.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/5YU6PyMMN6d8GGjQJsjSmC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4515907fe1f51e69d8be8664316f608e59d89492637e47d7c5e661bcd39e850c. 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/4iEf0FaHTn6Jg35nXM2KiB.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/4iEf0FaHTn6Jg35nXM2KiB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac59cc977a967f229c7a6dff029b74f013e6379481436d27f132127a9c191633. 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/6DboQvfCgR0S0QL7dAB6Tp.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/6DboQvfCgR0S0QL7dAB6Tp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52e599f3f2af4d28083cc8137b63442f18f3aec968400b13d7d0eb68fcf39d8e. 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/67hlTpsrL908m875nMUhuw.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/67hlTpsrL908m875nMUhuw.
My Father's Place 1980 (Live New York WLIR Broadcast)
Coming Right at Ya (feat. Jeff Lorber, Kirk Whalum, Paul Jackson Jr. & Lenny Castro)
{"copyright_id":"0x56850580a01764843abf09dc3710787bd625d056d344e0429af655ef426494af","isrc":"US4W40610192","name":"Coming Right at Ya (feat. Jeff Lorber, Kirk Whalum, Paul Jackson Jr. & Lenny Castro)","registered_at":"2026-06-18T15:57:16Z","spotify_id":"4XV4WIl9OLemNNK9jsNE5P","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56850580a01764843abf09dc3710787bd625d056d344e0429af655ef426494af. 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/4XV4WIl9OLemNNK9jsNE5P.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/4XV4WIl9OLemNNK9jsNE5P.
{"copyright_id":"0x788b88e383fe9db7d6b42e374db862b9dc2761b76771e1fd37c6989cc2538e07","isrc":"USCGJ2426067","name":"To the Maxx","registered_at":"2026-06-26T10:45:40Z","spotify_id":"2XoeRGSuhCSjUMmIXWWjRW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x788b88e383fe9db7d6b42e374db862b9dc2761b76771e1fd37c6989cc2538e07. 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/2XoeRGSuhCSjUMmIXWWjRW.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/2XoeRGSuhCSjUMmIXWWjRW.
Way Back When (feat. Jeff Lorber & Rick Braun)
Jazz for a Summer Day (Jazz Lounge Vintage Cafè)