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 0xa9b9d5a7d9c17e63ce714c8dc8274d1ae0dd6c13342543332f4512be75406a33. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/65a85497-09f2-4447-b9ec-e2c512bc50e4.json and https://artists.proofprofile.net/proofs/artist/65a85497-09f2-4447-b9ec-e2c512bc50e4.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 0xf9b9971c9b8891c3f6b8d6fbea09247d12893e98ad7f5cf8f67bad63307c0e92. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/FR6V82322269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a21d086f7c98bb60269bb7c4e878d286bd343abf76f84dea5978fa43226573b. 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/FR6V82322275.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc73933b7cad84513af70628c34e4a68e886b687016c4eacd680e98b8ce548bf2. 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/FR6V82322277.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25aa0e2305190520e5d1d0c56cde20ee88ff1ef2bbadbeb0dd54762cf4fcf9b0. 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/FR6V82322281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2037e39768f19d5b39da7452cb855fd8948df0069dbf7bd8313f243220709d23. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), 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/FR6V82322282.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x924956e1d08ad31e94b6148a29a389b88192d48583515f7941626d2d775b6061. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/FR6V82322283.
Shrimad Bhagwat Gita - With Shri Vishnu Sahasaranama Stotram
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72bea9ff2dc7dd8d0bd45d08ed2ffd9b95af33422c02cf8a9d9eb27a0455942e. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/INS231301773.
Shrimad Bhagavad Geeta (Adhyay 4, 5, 6, 7 & 8)
Shrimad Bhagavad Geeta (Adhyay 14, 15, 16, 17 & 18)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14e4fbb6c146d4acff4ca8be531f66443e1656bb50de8d6eb060ca7a1bee149d. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/FR6V82317852.
Shrimad Bhagavad Geeta (Adhyay 1, 2 & 3)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d9293581035d883efb4f142d6bf4c7596bb8b813673d3444960b71ef36fc29e. 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/FR6V82317857.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe66601cdad76015a36a64c7186c3ba0c83366c9e92c7069450e2316376bd8fe8. 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/FR6V82317860.
Shrimad Bhagavad Geeta (Adhyay 9, 10, 11, 12 & 13)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc08a7eabd8574e61d9198516017d142c914d7f94f7913c5676f9bbee545f729c. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/FR6V82317872.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d92231dbc7136348e15b5ab57ab091c2c158e650b624bb21d397d8838e02e9b. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), 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/INS231203922.
Jahi Vidhi Rakhe Raam Tahi Vidhi Rahiye (Kirtan)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd94379a049eec5a4828914477b3754b0f0797d14263c7e6a48fe60b6905f4d4. 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/INS231203924.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72272a65ae19696e892be6fca078ef7e789e5067c54f838829b85e6d8106a4a6. 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/INS259900091.