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 0x329e8c1d3101edabf2ba4a188c18f4bf9d1206761522f1421d80b3c57e90b2f5. 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/4976901d-205f-4323-a589-6e2a3513c3b1.json and https://artists.proofprofile.net/proofs/artist/4976901d-205f-4323-a589-6e2a3513c3b1.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 0x09417ee59bc45565d0ae44a3057e25c8edb7ca9ebb0f24d115afa9e715b02f99. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:05:33Z), 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/QMDA72355844.
Prem Geet 3(Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fd7c3f782f31a9bbab5ba173e66906d7a6d044bc8a71c4cff665c83992eef43. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/QZS8H2104713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x657653ade2d21fff8a6e45c579ee8fcaa45cb98c4e4e91e02e73280f471f8693. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/SE6XY2248915.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1b17c5b26bb7673a6dc5dc573484a49432c37aee87507cfb0d14064f04fbf5c. 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/SE62M2230749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d04febc864129825643ca0a9b8591381bc0aac5cadeff036c5ff0dae20f5069. Chain 2 (Bitcoin): anchored in block 958384 (2026-07-17T08:27:02Z), 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/NPA0M2310451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61aee6e6a66555da168261fcf33085ec89cd17fb03e34b758867308cf0498fb2. Chain 2 (Bitcoin): anchored in block 958660 (2026-07-19T04:21:53Z), 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/SE5752370611.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x359aa36818600f7a58e3b082521bf94e151e4c169146be8db4199613562b6e2b. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T15:36:35Z), 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/NPA0M2310626.
Kaag Bhanda Koili Chalakh (From "Dui Kadam")
Timi Bar Ma Pipal (From "Numbari Sun") [Original Motion Picture Soundtrack]
Baishalu Joban Bhaigo Dhalamal (From "Ladain Pahichan Ko")