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 0x271af7e2dad338f0e88506bd1b9798176be1bde1d73e44229aea3270b7c32577. 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/e2170d9f-1f88-4f42-9a78-6ec5965489c6.json and https://artists.proofprofile.net/proofs/artist/e2170d9f-1f88-4f42-9a78-6ec5965489c6.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 0xe3a081911c40efee1dd86fcf587ee5cfb0df603106c88032a1e656361c68a834. 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/FR59R2331653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70a75146a9da635ddb386361e344a01983d7a5c8c75ba9c9ee4f3a2b7313c229. 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/DGA062486139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6cfe51e74761599d7dd40c72c57070f5a93045527d8553d10ce951f81d165e7. 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/QZYFZ2439668.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cc04fc547a9988defa0d7c100cb40342d4715f7f339a9991bdd529a6e6c6d39. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/FR96X2492027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2a4bdf3220af226078c7948746562392d7b476dff032339801acd19629aa90e. 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/INJ252300406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e441720d519c6922b2d1b6679fb2ce784b2cb84afd7dd5a27fa678687e50be7. 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/DGA072345285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82aa4c82eb97524cce2a646513dc7b00ebf15b5a4ebc431b486ff59dd21dd98f. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/FRX282316571.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2504e35aebc730af531fe585ff6b0638e67ac0f64fbd0d7fc296b7fa374ca96e. 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/INW362200022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x772e9d4df1573d4a11f468ffd7aa8413b9ed841525d5c9d54e702e3f8d349ae8. 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/INS3O2100011.
Kach Theke Dure (From "Chiroshakha Hey") - Single
Kach Theke Dure (From "Chiroshakha Hey")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b13cfd49dc8d7de8947ec55ba698fa059a33273ea4c03a7a457de178dcb8b26. 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/INH102303876.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc124092cf3148c9f268266fc02d8ee429f91003c86e60f661e2e53da4c003e2d. 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/INZ031412214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a6893af18e6600f869f629880b44fe222ba234827f4935234d70cc3bffeadf2. 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/INW362200016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f0174821bbbf726087b24a2b70a70fec1d7f272a89fb7ffb32412a179144560. 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/INW362200015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34bf1e73aa854a9202668642599a92d0aa1b467be06d8854e562d021e71656fe. 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/INW362200014.
Mitthye Premer Gaan (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf23f10d9ec481670e8f9b84f4a67ae03e6d52b8dc7609ffc9b4212ed4102684f. 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/INS2X2301015.