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 0xd06b21e1ccfb9045722f46f0550c67e8c5b4ffe90f714f773828802af3e1e94f. 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/d4e9c0e8-01b8-4bb6-9b04-6b678c98d8b3.json and https://artists.proofprofile.net/proofs/artist/d4e9c0e8-01b8-4bb6-9b04-6b678c98d8b3.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 0x19d99a0b980d13433758b409e5bafacb959f6144492ebc850146e0b9781ab215. 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/INM8D2310018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x957f4dfeca133a202a115af6f902d2f84d14458c0833b725b39c8ac1609739ea. 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/INT132400176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x189f3c519c22d72381cee5fdaa02e27cd7091ff85debe8ce5ee5a86b630af2dc. 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/QZPJ32340423.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe139be990a6c691434d2a79d4bfa4bb1dcd2e2c5e35ee21c717f7c74be8b8262. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/INM9H2300007.
Nakku Nakur Na Jao Thakur (From "Raktabeej")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f73a9ec5b7671f264d66df2b070f664a33864445760009beb1919b186994b8d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/INU252206834.
Alaikadal (From "Ponniyin Selvan Part - 1")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02aa21b1035794e3c2b567dc650d27bfa50cf590253cca67a2d28aaae598606d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/INT102201307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d0454ab10c790d449de05e2b75dc0f6f765b92453eb2f2bc96152ab0bdc5be8. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/INS932200168.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56a832875e5a1700a08cb78c5fc3738813ce62c7703f3c9222e3a0dd4638e9d1. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/FRX762154016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb97138e6aaa3f1fcc06d1b435eb5657f8940c6893e9a20c7d5e3f8beaf7ef36f. 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/FRX202100057.
Jammin' 6 : Radha Kaise Na Jale - Jammin'
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e1ba46397208bcc69595714c2ecc279ecc53c7fc6cd88fac6ccdd68a9b70bfd. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/INS172003584.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83d6db4d4eecf7f60a987c2fd8c27bfdc8fbe6a5abcbf366afc4bf1033e2a6ae. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/INT132500083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb23ec8948ab294f82c18dca05b0a86ada6097ca7a618cb3704df7afcb2b623d. 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/INT132400813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04bb434c9674f4be6f1a7d8b0c5e5cc84734680876b0202b50be04d36ae8b423. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/INT132400660.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x852818dd8ed0b497f7927037683726c4e545fe574452cc41895f61c21af827ec. 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/INV422100274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ccd802daeab262c2a8d9a8633138d056784ad8c3698a189be64497ab6b9617f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/INS182503192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eb5f0482b520c317053c44357e6dab92bf9ac820e5f704d44b89526dfef30e5. 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/QM6N22492733.
PS - 1 (Telugu) [Original Motion Picture Soundtrack]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fec0de25b73380293b54a895735a6eac8063be6252a0a99ea5916287e32e74e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/INT102201316.
PS-2 (Hindi) [Original Motion Picture Soundtrack]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a35a29252fb67bac2d83ec47852b5d3008f274fc639b6f67203e17cf4f02a31. 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/INT102303954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5578d32e5f1783ab57b453677cba053be3f28fa43bf579b1d291c8cafdfc3293. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/INUM72500586.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf48bff85a46a19449c329836ddee6cc8e155109d7427b5cce5d5c302b04c0e35. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/DGA0L2355933.