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 0x2392d6f3ef944eb6add8cff4290db27fd09183d6792969da876ea1b1aa84bdb5. Chain 2 (Bitcoin): anchored in block 953599 (2026-06-14T06:43:55Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0bb0f58d-a834-4050-9839-cda1c76fae62.json and https://artists.proofprofile.net/proofs/artist/0bb0f58d-a834-4050-9839-cda1c76fae62.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 0x326a1001cb47ddb2caeb5dc81b175de86c50470dbbefe5fffbd2e5d70e515ee7. 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/ATG240428201.
URBS Remix EP Vol. 1 (incl. remixes by Retrogott, Brenk Sinatra, Cookin’ Soul)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb04693f9e6e2d42cbbe8bef470db3434cbd49db2709861f74690e98cf39d81a4. 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/DEM091700032.
Urbs Remix EP Vol. 2 (incl. remixes by Visioneers, Peter Kruder, Pulsinger & Irl, Jstar, Flip, Trishes)
Get Wid It - Visioneers Version Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe828fa85890c64f1c03614c8fc9c87a4bff039ccd1ea373bba478695b28d6bed. 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/DEM091800011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1993d59a890dac844a0e1c523fa5d616619674a2207199b74f1101c7591ae917. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/DEM092200027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddd67ccded5356c7aba081d06dfce5cf76a08ef387ccc4530a73d4127935332d. 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/DEM092200023.