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 0x26d5df129f61e901413ee9a147cdf1d443c46129457373d9e3f68ec71713d112. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f463aeb1-768d-4d4f-b080-a0bfb0661d9b.json and https://artists.proofprofile.net/proofs/artist/f463aeb1-768d-4d4f-b080-a0bfb0661d9b.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 0x32ebe0200181486d42b620e0f8d7465246bc8910fed9045a05cf1764a6285c42. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T17:53:21Z), 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/BX4E52271560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a718a8ffe0c4b8cb8dbe55a24324be785f4fd9cd50e88dd979e0209cd71a10c. 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/BX4E52271332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9304d835f8e07516e260c1c4dd7e65a749c7b185358078abaa67a5e33af514e3. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T09:21:22Z), 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/BX4E52271334.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f80c4634147d459064d22055421ed0d6bfb406ca9294ced87ea67808095d0e7. Chain 2 (Bitcoin): anchored in block 959145 (2026-07-22T15:39:05Z), 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/BX4E52271338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c7427a72eb77f7114830d1dd068ec4f2854e0b2c9fe16c0f940646160936129. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:34:02Z), 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/BX4E52271339.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eb777683eebd88fb7bff3abcc7fcc287e631fdece391f5fcc0bf2abf12beff1. 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/BX4E52271353.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e6d3dde4856ef74b7656acbbdfc66e949d7fc2188e12b6b49ac3a90ed317037. 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/BX4E52271355.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b09f64d1937858b5f491299493e0b9b2c6573b8f398af9a4c26229eca4a8bf7. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-21T08:41:04Z), 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/BX4E52271356.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5d65c2b74f57f6cbc6722e2ab5c1cf0922485e0496d084bf86cd69f08018851. 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/BX4E52271360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01f280260fb99062685c223cf016ee235e4fdb51436c6d6a9a1e5e903b025801. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/BX4E52271541.
Aniversário da Pagodeira Elite - São Lourenço da Mata - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7f7b5be2b9253e6939a7a6a1a19ee5190ed26570c6acdd628694163d9d5ea0f. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/BX4E52271482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ca35c77dc8a6d42b50448f62c65c6e5690863dc4bb06346d081e431ebe6f6fa. 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/BX4E52271483.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3bfd117a777669a4f3761692a077213d4592b02de6cf8daa655352ac079b1c8. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/BX4E52271484.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c9f7d33d339088710335a738674ef43a87e1aba41d79e816f2e680297250667. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/BX4E52271485.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe51a631bb75160835d37c63050ad2d938b8be367d145d88568d164de111d8e9b. Chain 2 (Bitcoin): anchored in block 959109 (2026-07-22T10:09:59Z), 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/BX4E52271486.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e1a8472bfcf8707a5d64a5611ed965479de71dfd523d6a9ba3ae2f9e2969072. 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/BX4E52271487.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2f08c61b6a40584af696d398ce6a32497b1303bbbfdf4701df2431bcc72c036. 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/BX4E52271489.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3861ce9573492a47ce3e724c8bb525928a99211103336e85e9b9ea7bf74757b5. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/BX4E52271490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x065f0c850fbb30ad880dca68160b2665005179ca338f0ce3eb388b7eb03b770a. Chain 2 (Bitcoin): anchored in block 959132 (2026-07-22T15:30:12Z), 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/BX4E52271491.