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 0x8c8ac7a61060dccfbb615c088de9c5ffd670f71b14264bfcecc054b226ab430a. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/288a71a8-2a5b-4178-b0cc-710c33e21c78.json and https://artists.proofprofile.net/proofs/artist/288a71a8-2a5b-4178-b0cc-710c33e21c78.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 0x730dbccc8ac2d59c6341508e9168b433ed605219d6440f7880a425f9f74fb66c. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:10:38Z), 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/FRX282020892.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd359e1fd9534dd6aebb5accaa6d93028a32ff2e9760bd5dc102dea3a02a5eac. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/INS182203807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x072bc0d2eb11dab0368e17eabdefc2be0e8048736f9f1b84a21dedf489de84c5. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZZ972477050.
Manohar Lal Nahi Bolega Uska Kaam Bolega
Mhare Haryana Ki Dekh Tarakki Charcha Desh Chalave
Bharosa Hame Tha Dil Se BJP Aavegi Fir Se
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8e8bee34d43fe42f4ed4807304bc10caeb581dd74e8b0bf7bb30d8548fb00e4. Chain 2 (Bitcoin): anchored in block 958861 (2026-07-20T10:02:52Z), 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/ESA012572739.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbecd08f979e344b44a47d0cf0749abc11501f27744d964c2b10de2f01e333c7e. 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/QZXLZ2409241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe08c14554c75806ca2d33a886d25ab492936034f702a19a008b30ce5fa4bcc8c. 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/INA1I2502577.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d8fa22f55a80f1ff86527a08023bfe5ee42ff00ed21c1687106010004bb8837. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/ESA012533777.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x011d065ece877b7ffde9181e4056821bd80b4fdf181454e492e3f2bd25db4808. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/ESA012545975.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4dd708a66fc364dab2c3b7f862368564b476252e25ffa9a20cc762691f614dc. 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/ESA012571620.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cf0d4fbdd404632f335f73d93d40039352fe5151c137d8d6d361e720cd29c4e. 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/INS232203994.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb161a153719ad4b8422e893fc36bbec50ad3474e9063a7de3e8367a7c6d81ac9. 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/INS232204010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc79dd753076309723e96005cbd2827491a15c59bdd45630839aeda04ca86112. 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/FRX202104627.