1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x97c831a292f30e0c740abf035e88cffd0840fc27873933dd4abb62883f1b795c. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/57815faa-41b7-42b2-a76a-afcbffb64044.json and https://artists.proofprofile.net/proofs/artist/57815faa-41b7-42b2-a76a-afcbffb64044.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe977dca3aeebca3a5badc561470eef8aee813a542bd6b95c610cefe0448ac084. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHP2388139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50df5e1df640cabf3b06ece1334c944f249c4c6f19a3b2b87703127eb8326c07. Chain 2 (Bitcoin): anchored in block 958407 (2026-07-17T12:08:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2354698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd27d0a773c518ca7e0d5dd3cf7d121b8c88168d732a439ea252cc11f53ab36ae. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHO2386295.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x235d32f0766de1f0f5db0f91143e9b68ac24000edaee1afbb8ae490befeed6e7. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHM2316571.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88cbd2e97d252a608eff8953fc6f4e395d6ae11ce33aaff8deed1cce5a6c5c98. Chain 2 (Bitcoin): anchored in block 958346 (2026-07-17T04:25:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHY2427316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5317bab939fb8ceb57fdcfbddc576c74fd2aa38fad44512a767b597b88ad644c. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T03:27:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAIA2465590.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac046d85344bd78707826e1cf0f11ebb3f76fd1e1bb1003264f636763309345b. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAII2449405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d89fca0c9f8b509add16bb78bd8a0c430c8ad64b6854ce08d51af8b2022eee2. Chain 2 (Bitcoin): anchored in block 958075 (2026-07-14T22:55:31Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAII2422142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb731d3a5571b35dec5cbbab02530aadf93d7d1c6d0e974d817a7cfa070b674d6. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAIE2476134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e12dbd58a63e090d12ccdd3c488b1a8f0ddfde6325b24e511e455298a70b455. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAIQ2480908.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9092c735cc25b86371ad255f677bdc347793b876d374fc201b806c665c581c4a. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAIJ2476445.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14ef5d65ce6e1b3eb4e509bbf249ccd3bb47735f4ba685d7ce6d25878bc31e29. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAIM2459305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6eb627d9dfd3fd1e0c30fa7f2d73d653b7c78597ebf7b8a6e908690b9a60554. Chain 2 (Bitcoin): anchored in block 957884 (2026-07-13T16:55:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAIH2495338.
SHINIGAMI (feat. Monse Mendoza, Kamily Jimenez, Asu Berry)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc3afecd39fba2466111513354a0beaef424950185f618ea7fd89d39bd811770. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/MXF152301243.