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 0x5de06fe5e48e26d388f1049150aeeb9beab8a462d24fb7dc23e24e986a3d0030. Chain 2 (Bitcoin): anchored in block 953812 (2026-06-15T17:06:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f6961ccc-fb23-4d9a-b96d-22242eb74b55.json and https://artists.proofprofile.net/proofs/artist/f6961ccc-fb23-4d9a-b96d-22242eb74b55.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Do You Wanna See - The Glitz Remix (Mixed)
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 0x3a48b0f5fe1ad96117d258400a16b68154d93b2873cde8462bc76f1d40746c41. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DESH42000126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34354906275a1d77a336cbdbd295ed06e570bcc90b506882ac5879efd3201838. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DENM91000215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe053e07f95c1d83e5e1442b0cee60a4dc8f82d857c0b819a97ef36a6bb9c1906. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DENM91000216.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30dc73551111f57bfc068596ff6f6a1131f05aa95e83a025e3b1c7030228cb76. 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/DENM91000220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e47cd3200bfbec802e3fa4c617941f9ae19afd7e3caaa398188f3a76330dfbb. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DENM91000221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70057cc6f6c05bdb8c546f0e31d6248737ff83b44037854531cce85e237c301e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DENM92300020.
Girls Singing Hallelujah (The Glitz Remix)
Dandy Doorhole (Mathias Kaden´s The Key Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cd3a04b8e77942d59713d60a293e3b2aab4d08b3979f8a8d5fd449cff5448bc. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DESH42000024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7ab57c30b957dc6ee3b66e9751a8ae2baf58f5d76225e8e2c6f7850bccc377b. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DESH42000026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30dc73551111f57bfc068596ff6f6a1131f05aa95e83a025e3b1c7030228cb76. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/DENM91000220.
Burgerrights - Helms & Commander Love Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27c3effbe7bfc0b82e7994c3ebcb07d81c1a7812f29cb4c1fdcff988ef492fa9. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DENM91000274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66d2248af3c46f9e67def59e04535c593f11ce22d250a4c306c7a0b06d1ea50d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/DESH41500182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a85df424cd85d17f23e49d0f8fa48073bf7a781efc69e2170e9529182afa907. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DENC31200272.
Trumpets Saved My Life - Kombinat 100 Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2f914d3f6b5d286ce5df6c80085992b39bac2be3a2f1ecbdf6b530a98e1a219. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DEZ650813073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6272fa3429fc5b18002b0ae71c3fa88ed306c86ba2322835d336e031f0ac9c05. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/DEZ650800319.