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 0x58d7ca355cea3af27ac9ee1f49499be1d4906655a4d61826c7c3d4a32e8fc385. 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/0e723de7-eae8-4c84-9e9f-520d97f35c64.json and https://artists.proofprofile.net/proofs/artist/0e723de7-eae8-4c84-9e9f-520d97f35c64.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 0x19952039c66104ba1e4d10daae91e555f28142d119b81158b3cc7f2562f9055d. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZTV32222163.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c2abcc7c4ab23db24bc3befb29ae211f5bb3e3d062c5afa3c8f3fc929d1af36. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GX3HH2428558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd31a280f25718e237a271e0997037b3d805bc17f088d6cda61b8230d81e33161. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GBRKQ2386924.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca6d230b8c4f2a610e649c0f62acc3981a5b2a7a81a18a36ff5f2312ac4fee06. 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/QZ5FN2345381.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab1cb64b43422dfbc073708ab58797e562644fd3754bb0c0f07f1735b962664a. 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/QZWDE2240489.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9231246607247c5fcedf597b43f415a097ac790dd48157a78116412713d2293. 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/QZWDE2225027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf079fb8de4f8b6193cf229384a2b1a9e534a3c65c62df05c782f0b4d026bd3f7. 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/GBEH41910122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8965de466466d0e8acaf5977e3c8d33a07abbfb0779a7e05ccff3793b390c95f. 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/GBEH41910124.
Brazilian Summer 2020 Rey Vercosa & Friends
Ibiza Summer 2019: Rey Vercosa and Friends, Vol. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xede88a6829190d58e9e3d5f86cebaf96ce0081988c088e6d3df9f02320be70df. 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/BCTQL2200004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x764d22154baaf0be790604843a733a0aaa6e908fd8036a4f59a2e4118e750022. 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/QZWDE2218316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5883f8987a567bece452e8283d812475bd2b021fcefc40b44050dda6d71d4fbf. 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/USLZJ2313335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd62eca128926874020ab85b901e26dfb8680d4698fa5e136abaa5423eb037577. 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/QZWDE2218454.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f614c0a140c92102cb3bb8c6ac694c8921cf5f69573c012ae428e6e3c8ec97c. 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/QZWDE2218247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99e951884e0437f180f60584b6b411fa12776a328d14568a6946f0ec0c078ac7. 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/BCTQL2200002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf42c15e9eb99e9093c33c3ae0438b538a6e53b41c4ae5f5379f82736c75bda4c. 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/BCTQL2400003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x401c8f8be06ee0f6e11c7fe038f2f3a823d4718558e8fecafdfb9ba690a471e1. 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/BCTQL2300003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2df542e9ce2702b159a0654017d699662acd6512e713d5620425161281a42a9e. 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/BCTQL2400001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf487b509468dfc57654cff7a6c0ce8937cdc7e843f5ae16e3b6eca9e114ec5f0. 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/QZ5FN2480004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9136e4e0d4ad973513b7678e73c0fc171dcb37801bfeaca21a73ea287ed8303. 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/BCTQL2400002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c0312b3dbe11cb401339f39dff94c2b900526fcad2b88a55ec63f78f07f2b66. 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/USLZJ2313356.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba9a431a87e7ca412fb04e2e6947d9370d338ca10f770673ed11d79f297b9438. 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/QZZEC2431477.