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 0x996e5489a28f755cc76bb0716871a53bd95b741c43fb053988b944d0a7e143a1. 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/cfe1cfde-4cca-4634-b294-92a654cd2051.json and https://artists.proofprofile.net/proofs/artist/cfe1cfde-4cca-4634-b294-92a654cd2051.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Beautiful Days Feat. Stratos Messinis - Intro Mix
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 0x38e821a5c7dfb6522ec663f47eae907e80f0fe36d9bb67bd26ee6fdea937ee4a. 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/US83Z1512543.
Beautiful Days feat. Stratos Messinis - Nihilum Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x468c1e80b3a2f46c17d9d15d31c7258490e908f98996cc1df0a16342c1b25608. 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/US83Z1512546.
Beautiful Days feat. Stratos Messinis - Swift & Shift Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9d5e90d0b953fbd9d626c515234f5ac396c3b8a7b91da18fae79cb96eb39ef6. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/US83Z1512549.
Smooth Feelings(Feat. Melosense) - Single
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53c1e326452fa867f53c32431ef483759999d6ab767c9139e2df57751bc8738c. Chain 2 (Bitcoin): anchored in block 957892 (2026-07-13T18:21:16Z), 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/NLF711504672.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe354547a6b2f33afa8a11bc64b5d38386260609983010f00d8ee2a361ee0404e. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T19:46:48Z), 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/NLF712012636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb55a9c6f33bc5de771fe5cc7672e3b474c07ce359f1140ae7e1b3a8ad917a708. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/NLF712106073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7db060458692faafd5cdc305896b46d777f9a4a5a8277ef00139f68cc3bb6d32. 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/NLF712106074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee25869ed779ef8b35dd641d1ff2c641dbc176b8f2184850ac566af572d820c0. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/NLF712200102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x102b1ae383dbd86f86297d62d131cc05073978b67f73238fdff64496be28c779. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/NLF712207357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3228e56b6ca167281689f88c1fffb094f27f306f2097bfd324d7f35b100bea4. 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/NLF712406144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5ac04e063873d34a4f80555a706ced13ae19398037063bed407a739ff1db51a. 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/NLF711809774.
Greece 2000 - Sebastian Davidson & Melosense Remix
Deep House Hits: Summer 2018 - Armada Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa913d83fefda0f7eef4dff539a3ca946da225cbab040413d8f7f957a423972d3. 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/NLF711806071.
Beautiful Days feat. Stratos Messinis - Ryo Nakamura Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x865529128553c329c63ffc44c950c885d6e49a4e790dc68214aba5cae87143c3. 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/US83Z1798009.
Armada Chill - Best Of 2016 (Extended Versions)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15ce5014ffd45aeb48b4af5b927294e909874fc3515ceafddd7dc7a95c75d357. 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/NLF711602687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93c7feb26d477b01bfb8087ea8881aa81ed5639016d463d1f272676f03b25c23. 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/NLF711604787.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3695915d29f5b5486025431ce2b3c9860e5b48a6a3a009db37f4e1ff07dc8da8. 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/NLF711602686.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0491772d00a0640e9b7f53764b0e8a6de1d3d329d673ee510c600d575945aab5. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/NLF711707148.
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