1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x9c5d0b4447765ebfcfa529973ecddbbf0ebd0cc91273ba96290ecced3e1ee6ff. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b3e00d70-5974-4cac-adf3-16cd07ba1a5b.json and https://artists.proofprofile.net/proofs/artist/b3e00d70-5974-4cac-adf3-16cd07ba1a5b.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 → block OTSBitcoinBlock must exist at that height 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 0xa40d473116604f98e69e9e42e2866b899bc9f7dca32d32bc5c02ec750acc5753. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/NO2DY2400238.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d0d0992ff5b27049fdb1de86fc6f01ba783ae41d2ed7fb02e35747c81ea34c5. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBLFP1554864.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae6643c70a168c88f8f92fe3a8594c1ad6fd9a599ad78c641ede9a93e604c7e1. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/SEVVF1403807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c2c3fe48374cd3f5f05155df55c6e3e39fe1331d1b93415f1d2367df9508a47. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/SEVVF1403808.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f26745c2eba6e533ca172660f0a63e67c072acdaf58ececd37540b831369f54. 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/SEVVF1403813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd914faa113d7d13fbf003e48671cff45e4dac2acf6bf329f0a0969ba0f8559f5. 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/SEVVF1403817.
In from the Cold - Antipole Ft Paris Alexander Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33a261c51507bb84ec81aa3ef37b6919163432c8c2f6df845d192928e37a42a1. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/SEYFX2000804.
Mm/Cm - Hidden Operator Voodoo Dub Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab0bf164af471d38aa860050cc78d98f7a858ff1f38eb5a404f890daf07a5372. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/SEYFX2000811.