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 0x3e8e40fef6f47ea279c93f3cbb7db22f21826e8a355cc4d1d865e258a93c9a22. 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/222baac6-3e49-4779-bf7a-dc99f4213a2d.json and https://artists.proofprofile.net/proofs/artist/222baac6-3e49-4779-bf7a-dc99f4213a2d.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 0xe22122ae7593507e4c417c5f26d03c6c0a3b19cd2d088ba573e2794ad65f34f4. 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/69IK4RC273ZRQiujpvphUP.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/69IK4RC273ZRQiujpvphUP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb75d74a2d06429f1a8e7325ca342980c50991e525b5b9a88aefd3ab39cc97316. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6t0BWdywiA7kC3FsBCCZmU.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/6t0BWdywiA7kC3FsBCCZmU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c03c205e823a3be65c112e03009519cd5bc587d2a1ab115927039a9744ca2c8. 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/59j8E4MyXQP9rYPqf5gCg6.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/59j8E4MyXQP9rYPqf5gCg6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6792142a75f76277d0caafaaba86c536267db3a08cbe6fb37245dc88c3c792f6. 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/6HY58ksvkW9V59IDIiVB16.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/6HY58ksvkW9V59IDIiVB16.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe22122ae7593507e4c417c5f26d03c6c0a3b19cd2d088ba573e2794ad65f34f4. 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/6NUNyaaEjfOqN1oa37sNo9.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/6NUNyaaEjfOqN1oa37sNo9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4181a5f317c06de7e2b08189edd7c7da75a2981670224e8d2fe2f24cd29386c7. 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/2IVKrLbe7j6ZUPN2ancX5Q.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/2IVKrLbe7j6ZUPN2ancX5Q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb75d74a2d06429f1a8e7325ca342980c50991e525b5b9a88aefd3ab39cc97316. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4wCmCKlzwU2fKsJfKgobGp.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/4wCmCKlzwU2fKsJfKgobGp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c03c205e823a3be65c112e03009519cd5bc587d2a1ab115927039a9744ca2c8. 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/3FtiyvRgqzJJwRTz6vnMvK.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/3FtiyvRgqzJJwRTz6vnMvK.
{"copyright_id":"0x786f40f193da51c78938455a6dfe9396e975fe351c0c305637aec017f1f486af","isrc":"TCJPG1745288","name":"KOI SEYO OTOME (feat. Harucha)","registered_at":"2026-06-09T19:06:01Z","spotify_id":"6A5jtaeUCK2GT8EQBhUWzf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x786f40f193da51c78938455a6dfe9396e975fe351c0c305637aec017f1f486af. 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/6A5jtaeUCK2GT8EQBhUWzf.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/6A5jtaeUCK2GT8EQBhUWzf.
{"copyright_id":"0x8b4e746a644ef39af2e071e9cc3dddb0b1061f818b5c6db68705f5b73cdc0b6e","isrc":"TCJPG1745292","name":"Good bye with a smile (feat. Asako)","registered_at":"2026-06-09T19:16:05Z","spotify_id":"0anVmUsYUCis6H3PKYJ7yi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b4e746a644ef39af2e071e9cc3dddb0b1061f818b5c6db68705f5b73cdc0b6e. 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/0anVmUsYUCis6H3PKYJ7yi.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/0anVmUsYUCis6H3PKYJ7yi.
{"copyright_id":"0x7ad53de7abb539884d1600c639b5549e20a0d1173f37da8c2cd4ffec6cafa1cb","isrc":"TCJPG1745293","name":"Lulalulalu (feat. Akane)","registered_at":"2026-06-24T17:42:23Z","spotify_id":"0VXwxNrDigCCYdBItMSSbK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ad53de7abb539884d1600c639b5549e20a0d1173f37da8c2cd4ffec6cafa1cb. 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/0VXwxNrDigCCYdBItMSSbK.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/0VXwxNrDigCCYdBItMSSbK.
I wish there's no you to be around (feat. Harucha)
{"copyright_id":"0x6af264f85040b35bf8545fb8291c0141a5166c588ede644978b3d5481511878a","isrc":"TCJPG1745294","name":"I wish there's no you to be around (feat. Harucha)","registered_at":"2026-06-07T08:24:10Z","spotify_id":"3VoFt7SjdKRqAdsitncIqe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6af264f85040b35bf8545fb8291c0141a5166c588ede644978b3d5481511878a. 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/3VoFt7SjdKRqAdsitncIqe.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/3VoFt7SjdKRqAdsitncIqe.
I love you so much but I can't tell you (feat. Asako)
{"copyright_id":"0x76d2590ded802b9435f3bdba87a730eb57a396345a23e109874bae9cbc30a5fb","isrc":"TCJPG1745295","name":"I love you so much but I can't tell you (feat. Asako)","registered_at":"2026-06-08T13:26:41Z","spotify_id":"18jJijhjv7bOytTRBQlzVG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76d2590ded802b9435f3bdba87a730eb57a396345a23e109874bae9cbc30a5fb. 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/18jJijhjv7bOytTRBQlzVG.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/18jJijhjv7bOytTRBQlzVG.
{"copyright_id":"0x3b487fd4ec5cf2f867f322aca594bc3671e8f986acd43746557b5756534ea2d0","isrc":"TCJPG1745298","name":"Back-to-back (feat. Akane)","registered_at":"2026-06-09T09:23:03Z","spotify_id":"4dmX8kOAKPADiVVNpLMnbE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b487fd4ec5cf2f867f322aca594bc3671e8f986acd43746557b5756534ea2d0. 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/4dmX8kOAKPADiVVNpLMnbE.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/4dmX8kOAKPADiVVNpLMnbE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e1615c6d27a5f56c21640d3d4f7983662602b4c9c33f232bcc50c0da22b133d. 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/2IMxx0coghgQOXMCG7T99t.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/2IMxx0coghgQOXMCG7T99t.
Sayonara Smile feat. Asako (feat. Asako)
{"copyright_id":"0x6cfaea9fc882f73a0a04204a3eb25097d3f6ad6227527da752243339c4150af9","isrc":"TCJPE1698638","name":"Sayonara Smile feat. Asako (feat. Asako)","registered_at":"2026-06-20T20:12:16Z","spotify_id":"57xHvazKQAIZ7LLl7AJiY2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cfaea9fc882f73a0a04204a3eb25097d3f6ad6227527da752243339c4150af9. 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/57xHvazKQAIZ7LLl7AJiY2.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/57xHvazKQAIZ7LLl7AJiY2.
walked out for the moon (2021 Remastered)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f3c562d056347a8d8f02d540b39761b99fdfe8b9cda53f8944d0dfaf6bf2c59. 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/6Ca0xhEHEwYL27HD8KAOBn.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/6Ca0xhEHEwYL27HD8KAOBn.
Katamari Damacy Rolling LIVE (Original Soundtrack) -Lalamari Damacy
{"copyright_id":"0xf2ee02dbeba3fdecdae9126528c73e191c6b250158ce043c86c141aa7f3ecc67","isrc":"JPX832500429","name":"Katamari on the Dream","registered_at":"2026-06-18T10:55:55Z","spotify_id":"0xvM7EMbRMC9KRF4dBN5Ds","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2ee02dbeba3fdecdae9126528c73e191c6b250158ce043c86c141aa7f3ecc67. 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/0xvM7EMbRMC9KRF4dBN5Ds.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/0xvM7EMbRMC9KRF4dBN5Ds.
{"copyright_id":"0x091dc82f004d3fbeef337504f815cffdf5aa6049212f38480c54aa27a2aa5b0b","isrc":"JPX832500430","name":"Midnight Tryst","registered_at":"2026-06-22T20:54:03Z","spotify_id":"1lf1fcOMZIZlN6gLjUYjDY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x091dc82f004d3fbeef337504f815cffdf5aa6049212f38480c54aa27a2aa5b0b. 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/1lf1fcOMZIZlN6gLjUYjDY.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/1lf1fcOMZIZlN6gLjUYjDY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35708fb878035a3f5688717104307bc189fc5a7c8b7895a4668c4c0e7a171696. 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/3NuLnGAk3rY0UOsUbNph9i.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/3NuLnGAk3rY0UOsUbNph9i.
{"copyright_id":"0xb6c79ad54b11ec2cb69ef5e151e9006561e556ecc33cee69e60a02e7f715d068","isrc":"JPX832500432","name":"Katadoru Sandbox","registered_at":"2026-06-24T03:53:50Z","spotify_id":"20hKRPt7oKPb9YpEVleoSc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6c79ad54b11ec2cb69ef5e151e9006561e556ecc33cee69e60a02e7f715d068. 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/20hKRPt7oKPb9YpEVleoSc.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/20hKRPt7oKPb9YpEVleoSc.
{"copyright_id":"0x702d1d45d61d43d135ef38a875195d4a2fd8cd28f31abaf5962ff753bc184384","isrc":"JPX832500433","name":"Katamari's 5AM Morning Routine","registered_at":"2026-06-25T06:20:20Z","spotify_id":"3Uy6PsCUvijVs0LVAzweKY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x702d1d45d61d43d135ef38a875195d4a2fd8cd28f31abaf5962ff753bc184384. 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/3Uy6PsCUvijVs0LVAzweKY.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/3Uy6PsCUvijVs0LVAzweKY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2179cef02de1fc3f85fe124404f8b7058e7d794789fe90863d64d7ac9f9c12f6. 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/515D5530tiajKaHSlOQMas.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/515D5530tiajKaHSlOQMas.
{"copyright_id":"0xea51d129779256936c5c2829d4a382a86065b75a95a2de208f09c7edd885ade8","isrc":"JPX832500435","name":"Song for Mixing a Bunch of Colors","registered_at":"2026-06-24T03:50:40Z","spotify_id":"2GYiFpCoUjuJjPWVR6k05V","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea51d129779256936c5c2829d4a382a86065b75a95a2de208f09c7edd885ade8. 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/2GYiFpCoUjuJjPWVR6k05V.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/2GYiFpCoUjuJjPWVR6k05V.
{"copyright_id":"0x378a9f6be021d0fc0b198bab792570ecad172bbe2dd831ee3f02ce449b91f980","isrc":"JPX832500436","name":"Katamari of Ka/Ta/Ma/Ri","registered_at":"2026-06-28T05:27:21Z","spotify_id":"7gyyPNR4dO5EukvYr8Zp8i","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x378a9f6be021d0fc0b198bab792570ecad172bbe2dd831ee3f02ce449b91f980. 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/7gyyPNR4dO5EukvYr8Zp8i.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/7gyyPNR4dO5EukvYr8Zp8i.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44a6e043293aa8ccdca78daec28fb5291a1021ed0063c9d7d971dfc874914b16. 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/5xFlUAM5Nn70fpqIk1vN6c.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/5xFlUAM5Nn70fpqIk1vN6c.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95da43fe29d6cba0e6173c6eb1024d03cc30d7ca7238d71b86ad5c2094d77817. 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/2tzn1NRN2FwbJTElAOqo1M.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/2tzn1NRN2FwbJTElAOqo1M.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57be84432df3a3e183da691647d877fcb1a4834a8023f807dd387add1eb536b1. 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/2m09nFpqAxBCeRE0pOG8JA.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/2m09nFpqAxBCeRE0pOG8JA.
{"copyright_id":"0xeb3e299b80d21a5c0f35bf47d82f6ef119c2408d414148c54fac91c4ce962f4c","isrc":"JPX832500440","name":"Making a Star","registered_at":"2026-06-28T06:34:00Z","spotify_id":"1lh1UfLZV0NDCzfifoGwxd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb3e299b80d21a5c0f35bf47d82f6ef119c2408d414148c54fac91c4ce962f4c. 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/1lh1UfLZV0NDCzfifoGwxd.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/1lh1UfLZV0NDCzfifoGwxd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf813003e4d8e292e049aaa58676484a147df211b9fd95a0d328861e958c522a. 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/11h9oDJahrMMsxAQYwoPSZ.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/11h9oDJahrMMsxAQYwoPSZ.