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 0xeef08f61e6c4b721c6b82e447f0e93ee85a5466a46f961812d4e36b3119707c8. 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/cf6da773-cde9-4eca-b0c9-831946ede0d3.json and https://artists.proofprofile.net/proofs/artist/cf6da773-cde9-4eca-b0c9-831946ede0d3.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 0x194ce343440ddeb981f6dbf47c69da366014048e09fcc92bbe81d7090c07805e. Chain 2 (Bitcoin): anchored in block 959018 (2026-07-21T16:51:01Z), 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/INA130401944.
Srivalli Devasena Pathe - Natabhairavi - Adi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00ab8abef1b97d3f0603af2005273bf6030eb5d7d16df20162a3dd3dc0710780. 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/INA130401945.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf124a182d53f9094c37e732d1460f6e2cfb2e6a1b9031302c45c0e1d7aded99. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T20:50:32Z), 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/INA130401947.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cef8a8ac0e77a6f014f8b1e0a60325b006b602928b3126fdb08510e6dc9476b. 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/INA130401950.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec846999e894615ef1f42580072613c683ba0c868061702445a9ab4c01f6b45b. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/INA130401952.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaf4f0c84de0d9967b13a7fd863eda79c60425eb2b3515c4cc1341381b099b63. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/INA130502254.
Saravana Bhava - Devakriya - Roopakam, Pt. 6
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda0ed1b735ee7082577c5df84bc8e6080ffb684884134ec022196a9f2534dcee. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/INA130501941.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88e7822f4f8c7e90bcf755018a497650e56bae1b6a930e0807bc4a7be8630689. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T12:05:55Z), 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/INA130702514.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e8747ab374760308f830c3aa40590b9e0ccdd414391c0927028cfbee3b6eb8d. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/INA130702515.
Madrasil Margazhi – 2003 – Ranjani-Gayatri
Madrasil Margazhi – 2006 – Ranjani – Gayatri
Madrasil Margazhi – 2004 – Ranjani-Gayatri
Madrasil Margazhi – 2005 – Ranjani – Gayatri
Gems Of Carnatic Music - Live In Concert 2004 – Ranjani-Gayathri
Ranjani - Gayatri Kutcheri - 2011, Vol. 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc051ab65c8560448918b4f23c6a05a9cd4f1d8bca67646defdc0663158fe8f6b. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/INA130702642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe638f2112a97338fd938a886aa8c3eda8f29ccf9929dde2573ac58899faa395e. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/INA130200457.
Gems of Carnatic Music: Ranjani - Gayathri (Live in Concert 2004)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0c4cc7cd5753b963cedc15bd16d31df359caaa3bfece0e54404265743662f0e. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/TCAGF2243180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99037f4113981a164ba8beccbe090db3e7d7168fbb56209f1c4fd1c3d8f7e374. Chain 2 (Bitcoin): anchored in block 958197 (2026-07-15T23:38:39Z), 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/QT65Y2541153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x734ffa0ccc83d1d0270dc6bd85ce517fc0bbf771cdd2c0a2a70e0e4c1db6a0c9. 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/INA130701960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaebf06a858175bb5cd02d9591309a2c93679cfae388b688f177c33dbfbcad1a. 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/INT522203961.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54050b2b70a440709a40e58bdbbb9b0bd84b6bcb429c2af785d6c57a143c013d. 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/INM5B2310018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e2d85841c697d27e34a81cd5a0a70210e4dc03d5bbcd3476d41c02e9a10e17c. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/INA130702059.
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