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 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 0x34947d4449950f5e4c5e5208a5895f9bdda1a5638600a73f432bf89247f4fe35. 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/cffe4ad6-316a-4ef7-8d4a-8787fcb9cb14.json and https://artists.proofprofile.net/proofs/artist/cffe4ad6-316a-4ef7-8d4a-8787fcb9cb14.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 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 0x47242a151061f1d6926eafdb32e4f1f0054a67c85db6f0f76056b5c95b48d8dd. Chain 2 (Bitcoin): anchored in block 958216 (2026-07-16T00:00:34Z), 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/QZHNA2009945.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe04d57bdbbb718dcfb34c3c8ec856462185226e145c11a3eee5c89170011e6c3. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/QZK6H2063935.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bf1ecaa952c3079bd3191255787405a090625f5ade1e44ffabf92de52a5563f. 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/QZDA42123225.
Thangamani Rathiname (From "Moon Child")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86cb373ee3022d3ec153e46188d46f9625e857b5bea28e5e4e3275c9e2935001. Chain 2 (Bitcoin): anchored in block 958812 (2026-07-20T03:24:09Z), 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/IND292100907.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14d58630d8278c528aa5cde8bd0a3e46ca491f3ed82fb30309a82e614943c50d. Chain 2 (Bitcoin): anchored in block 957874 (2026-07-13T15:43:57Z), 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/IND292100949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7138d833c3f05d9161d9fc9702eba9c2f28f1f9a8bff1bfe92c3a3ae092009a9. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/IND292101624.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d19964f27b6bd56cad04d0d18158912edd19217efa84fe45e9758b0075c1143. 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/TCAGQ2265732.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2e4d960044f3163cc2901758a5a7cbf09c01d03719a2e752350b79bd5d3e693. 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/TCAHB2383710.
Madhu Pakaroo (From "Varshangalkku Shesham")
Karakaana (From "Varshangalkku Shesham")
Njaanaalunna (From "Varshangalkku Shesham")
Njaanaalunna - From "Varshangalkku Shesham"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x275707be0f1f0571fd9b2aa47e3b5a17b11ba4e65acff3e16a109ec876da672a. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/INT202404327.
Pyara Mera Veera (From "Varshangalkku Shesham")
Pyara Mera Veera - From "Varshangalkku Shesham"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd81a2158e5289706bbdb179fd33750eae8cf59f2a895c30971d98e6f57ed25a9. 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/INT202404328.
Varshangalkku Shesham - Telugu (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2caab5e88b29ad59cc3e10d13c01a2880341f45a0114ce4e011bd5a3d92531fa. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/INT202404762.
Varshangalkku Shesham (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa41c2ca758c15c33a3d793739871aab741ddc81649d8b2d6ec552edb4534115. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/INT202404322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7de18301f9dea84faf3d8908bd9ab7aa92b98955aec0d4c7c22a2ef74ec001d. 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/INT202404323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbbf9d605fdae4ad8545e19a65f10cef3f583dd6a9a62a1321245e3fd9acf6b0. 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/INT202404324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c0e403bcd7c7a5035cd0be713bd58b90749f869cb12d9ff421fcef24ac3d46c. 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/INT202404325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfeb010e443e3be33baa7eab74513fba62ca4b75857a7fb799bd9460043bed9d5. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/INT202404326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x275707be0f1f0571fd9b2aa47e3b5a17b11ba4e65acff3e16a109ec876da672a. 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/INT202404327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd81a2158e5289706bbdb179fd33750eae8cf59f2a895c30971d98e6f57ed25a9. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/INT202404328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37fe709a17800f08376df55e0b021baf1f0dbf28938d99ab828765aaf9883d5b. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/INT202404329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x571d9917945d3ca57b735e5196490f5f8a7a5adc8269aaceab7db65847cc4014. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/INT202404330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ec8a2816e0c3ea2ada42b7b07ec1eeff8224e8a0b392714ba707374f60838aa. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/INT202404331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cdf5c88865a750ef1caf3e352747d1d3df38aff254a0430dc9588c29d0a4319. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/INT202404332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90652162f9b2ee92ca1b7639251a811bec37b1a588c10c08e06caa00d12b7876. 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/INT202404333.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf03d6bbe61677bdde183303d88d3b6eb6bdc6e143b9dd0164c00cf0582a6300. 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/INT202404334.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75bd3f0c82267f8d3a8f3a140c762ea91a21dc1700784d0c5ed9ff164575eddf. 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/INT202404335.
Varshangalkku Shesham - Tamil (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d8d6c0f0821b0fd78aafaa0174ebd18cf943cef16abd7a9f51608c8f56bd3b1. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/INS172409613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94e372c6eec267b47da39e2eded04d2c33a1575eb1e26790c38722a666523e46. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T11:41:42Z), 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/INS172409312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1578c1564774c44243547590c97ff7e55abf46571e19f1ccd3580dcc08df9afb. 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/INS172500593.
3BHK (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x314c6399f85ccd9aed81b1bc79643761152f37ef6942b7287ff5cd552a44d3ec. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/INT202505853.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe122f83578ab1d7a81b8561c380499d45f6040b7ead7bea7a406252c697f1f8c. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/INT202505849.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x938fa4f8386190662ef312c567b307ebd0e6c7c4e0e2e0ab74fada54c028621d. 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/INT202505854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74e01adcf7219c7da21a29a54d55bbbcc87eb4f4a4bacf5f58963b3db2a6f1b1. Chain 2 (Bitcoin): anchored in block 959096 (2026-07-22T03:48:36Z), 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/INT202505746.
3BHK (Telugu) [Original Motion Picture Soundtrack]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e406fb7714727e6add281e16c6c1318f27ec30cb35f8e12473aee69c96fe4e9. Chain 2 (Bitcoin): anchored in block 957779 (2026-07-13T00:19:08Z), 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/INT202505876.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2c3048f1366d452f80600ddf6f1b3ee17e08ca7a045e8c121b6243ef1af959c. 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/INT202505875.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x587753ce401ef40482dfd95e0805f37f7e9afae142ba498dea735aee49b9cabe. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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/USHM22480465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7a812bc31bf1f89a0900bdbd1e86a8c9ec06c492f67ffe05f126d67b403b724. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/FR10S2227033.