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 0x23e94c55e882dbf65eefe0b4b02368f2708912c445e0901683177d3bf52dc7db. 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/a3aa31c9-e157-4d15-8b1a-3b8d7ccce79e.json and https://artists.proofprofile.net/proofs/artist/a3aa31c9-e157-4d15-8b1a-3b8d7ccce79e.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 0xbc1f9fd382a03c2eb5a6af0d3accd784f3e8b834e5c30f44b179e6f8e1e5980f. 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/IND292100573.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbca84a12717bc200fed251fa1d10c85e2323579aeaadd54d81731f688095f731. 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/IND292100579.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1cbfeffe4afe2e13f0bd5fd5d566d7ac5b8d26e949099776b2282205896d5ae. 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/IND292104647.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6084f406cf27ca9789b3d7b3002cebd15cabc7981810513fe300bf8ebcdcbe3. 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/IND292104648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde5e4150f55bde27e67e1d39e5aa91c04151973efdff66bc19340971b9c822fc. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/IND292104651.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33ecc92a7204bc802d1c57c8a4ead7721b65bb99a0abd5ee5c0c2cfdeb67ccd6. Chain 2 (Bitcoin): anchored in block 960179 (2026-07-30T00:39:11Z), 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/IND292104649.
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 0x16158d527d827611e3110b1a09471ab6e8671a485510971036c3d7b4e4437b6b. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), 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/IND292104650.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcaab55bc9d9b9facccc8fd49bf91e80bc6e5f32c5510584565fe30944b0c246. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/IND292104652.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76b8a2cabc7b387ca694cb4980b6f1614ef46401a50bb6e7fad7174c495aa281. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/IND292104653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1143155d4240d93d0d636f2ffbaea5744a15f95b0bd923f4b733f9f2278eb2f2. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/IND292104654.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3eaba3ce5718cf1abbd5d2a04c27f0faec26b625a1cd6184adc74d331bef6255. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/IND292104329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbd88d63fd101a2d57d467f82b2b75ec00da04f223f55a8800f44e572329c5a1. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/IND292104337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53510c287b2d248874d9943ea5923e2bde2cbfd4dca59d4fd19996fd8ff34b49. 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/IND292104359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8473d56a29fbdf3ccf674f0ba912dbfa68d5a08abb91e49901f72033ff17d54d. 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/IND291817484.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6342ec2329e64e380b4ea5a8e90f83abfd1b11e2ec1207ab52f48b5406dc58e. 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/IND291817398.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65ad3994c7465b14c3b32f10189f4aa63fcc4c633b98fcc0945f2afe8ce661ad. 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/IND291817399.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0e56a1cf2524df46cef46714d82f4aacfb99329b12117f01a86991c5d6a8ee7. 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/IND291817406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f206343663d85e657dd30e19765f8de0b55ac6581a202151e1b5bfc64702421. 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/IND291817229.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06a3c0ed13ec58c3ad2afc9acae8f565c6620529547d239a97478f10c4e3a9e8. 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/IND291817230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11d010d868ca1289656992c2cc04cb82bd1c7c0580c4da8158add342fa34db6c. 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/IND291816699.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x851660df6e09093bce2165f419065bd214a75ed83ac5ecda9c329a3cfa4d7884. 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/IND291816703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x122cddc83bbcdcedccadabb39e71e70be8284f87a16f15ce3301e9e792f4be41. 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/IND291816363.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4216c1f32f672abfa50fc96ba7063866798c0f6b2dfa928ed07334b8768082d2. 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/IND292100633.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x946e6e53f5c1842db87173e1d8dd92ea4c863ede6514e1539a0bd678bae78c7d. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/IND292100634.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1cbb845bda85ee817512be9d3bf1ee4c068f84f3a7e6bb5e71b9e2b638498b8. 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/IND292100635.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea83e4f895195819c0bcffa162ef1d709d255d0e659c8254affcda920e1cb3d9. 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/IND292100636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0da4f147fe160d9bb0cad317b20ecb47cc8de6418dd7484864c3e6bafe5955d1. 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/IND292100637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa87e6eca274608c270ec977098b745e6a7c5f0a8f31dd2b9458c775ae54c96c0. 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/IND292100638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91204ac879355a13293184bcaf11cac615c33b68396fabba794a1131db7a2334. 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/IND292100640.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9928308add30171d5a49a88970d9ccbea56d2f289568e7b256aae1ea3c5964b0. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/IND292100632.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x413b571907e1d623db4d0485d25d622bebbe0dc60b128aebb59e6027d38c531d. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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/IND292100639.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf77472e54ca0f3947f8f46b9726f733bbb5a300b4746c28b8d3755d4621319be. 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/IND292104725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70b2a9f2507c684556bec11e60a4a78e3280d2d9ad6603907502c98660600836. 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/IND292104726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7ac078b9bc99ee0f467be6cf673ff25f4fdb213623fa0c76223bdefa0f0495b. 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/IND292104727.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x420cfdea9e1411c8c0eaf1cb4c20f84bd5ed0fe582fd68e4251717387e2ced0c. 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/IND291818929.
Shree Shree Nivasam Astalakshmi Subrabatham
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c480603c69bcd4ea62d5e391befad43aa77b51cb2cafdda9fc0649f796c052f. 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/IND291818778.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x994f79ce84c48d62d7c66857faf532ec6898059c077c196a54d522e8a7e69add. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/IND291818780.