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 0xe1139bbb2b376fda40545f09e2c9055d2349f7209389935d1541ab9eeb606c82. 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/f3a9df58-d77a-4803-aa96-e0ba81e40b43.json and https://artists.proofprofile.net/proofs/artist/f3a9df58-d77a-4803-aa96-e0ba81e40b43.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Red Is the Rose (feat. Charlie Landsborough)
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 0x7df5038f666173abd0e84692256a52a501252a37ac6db04a45d8ad14e96ee1b6. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-16T00:15:48Z), 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/GBFU71500483.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5024b3a1bb38cb29f770385fefd3f7b014fc1226b1c304771a68c784a16e4357. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T00:40:15Z), 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/GBFU71500503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35caa03ca470de062c6a36b2ae36831c9eb73d64ebb76c32509687cc23ef6d69. 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/GBFU71500550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2db83cd5b7afec242486d6e548b3aaeeb0071dc29375e5238fb796b36cb7ac7b. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/GBFU71500551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96eb4186d566c3fa6bfc79c88019d5ab08d4416a68dae58081a4ec52c99eef17. 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/GBFU71500558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebadbb4475c1e3f8d12f798d7c94cc416e7ee4e5f8c4c90bdba24ef2c6c61be6. Chain 2 (Bitcoin): anchored in block 958246 (2026-07-16T08:32:03Z), 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/GBFU71500560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4d825c0ebb7620f104b4bf8966571b855a338176a098060325ef61863c7e487. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/GBFU71500574.