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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9710fad2e79dab138ac1968d2dbf59bd9670e8d37464cce02626ca193332aeb0. Chain 2 (Bitcoin): anchored in block 953713 (2026-06-15T00:33:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/828bba57-2bb3-4c66-9f42-4ad9f1cb0297.json and https://artists.proofprofile.net/proofs/artist/828bba57-2bb3-4c66-9f42-4ad9f1cb0297.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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x843e28cc3981fe1328fa3c64b6bc19dbd990e41bcdf959d2825687ed6c78375c. 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/NLC731600474.
RNM Sessions Chapter 23 - Progressive Trance with Alex Leavon
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f962de4c19df7251064d3bf1ab724cffd8aa326a00cc878c550fe4202d59454. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/NLC731700416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60839c95f1dd6d9c6689b089fc147eded7b0f74f36ef353f98bc9a5b985ad46b. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/NLC731800365.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab4d4a8eae9e4f99d2e38123d223fc38fc8a06cf9e7e85e866242909d8616697. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/NLC731800481.
RNM Sessions - Alex Leavon (Trance - Chapter 32)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f7a333b9ef91a30fb7211fa3d612791e8dbb60c0cf4731d17490c99d9c613e8. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/NLC731800590.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfce1356df2d75910b086e34bb20e4d122deabf9d91e911a7b88849c3587f1dc3. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/NLC731900095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cfc098179516e555f0c47e9fe75ae11e4602b40cf15e213d724365cb37362ad. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/QZ5FN2101074.
Female Vocal Trance Legends - Best of The Best
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f962de4c19df7251064d3bf1ab724cffd8aa326a00cc878c550fe4202d59454. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/NLC731700416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x843e28cc3981fe1328fa3c64b6bc19dbd990e41bcdf959d2825687ed6c78375c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/NLC731600474.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ad0c22fff7709e1907fa01e4dc1e70b4e65adac1c5a79fe457b2a8eeb2cfa7e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/NLC731700312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78fa48c4b279b324d6c0714f7856c0583adff5983e985de2062036ea16d86a2b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/NLC731700257.