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 0x55eaddb9eada42d9f668db622280cd6528113adaaaa1ad75ae04f2f4b4e677fc. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9ee91ded-8840-43d5-a417-4f730f0cd156.json and https://artists.proofprofile.net/proofs/artist/9ee91ded-8840-43d5-a417-4f730f0cd156.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Uncivilized: Clean Break (Original Television Soundtrack)
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 0x7b9ae1137828bf5ce894c70fbd316ebb98d197d424c6a1a78d42228ef52debbc. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/GBSMU1748521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5825ffd17995e4db11550e33ad8f4fa513fd80e6086079aecd373e8a0875cf7f. 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/GBSMU1748522.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52f9c1e740b0ba375c658e7a9bf3a8554ae6c292fa4fdc4ad07377f59a063cc0. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/GBSMU1748524.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9c87e75aab87f90de8be4a63d0033ca06e0ba2d838dd1b267ccf44355ed81c5. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/GBSMU1748528.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39a2b70dd7d6227aa1ff279c82c8dd2b879ccb09b4d8056bf30a4f24aa01f6ff. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:00:11Z), 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/GBSMU1748529.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x702d0c5ccdc95df66c53192548d16821da6b1d609afd756fa4b18b06015bf3e2. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/GBSMU1748530.
WolfCop (Music from the Original Motion Picture "Another WolfCop")
Uncivilized (Original Theme from Clean Break)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffbd20b16daea65b7ce7f3c23ea68476559cb2e834c72ee5d1c87feb46687bd2. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/CAQOQ2303835.
The Lego Ninjago Movie (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe36bd46e1ca39c7d5789cff4b02570ce52e4c8803d17a0cea59cd98c7bc297df. 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/USNLR1700878.