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 0x972bde907048fd08a270201e167f5a46ab3324dda60e2ff219a1b6c4416de08a. 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/5834453c-8bf2-48ee-8813-b59828d685f7.json and https://artists.proofprofile.net/proofs/artist/5834453c-8bf2-48ee-8813-b59828d685f7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Trigonometry (Original Series Soundtrack)
Monday (Original Motion Picture Soundtrack)
Pig (Original Motion Picture 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 0x842760f9c5032ce7d7fe75caaa45329f158e1c949ee467fb0d682a3ff60a8672. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USLS52104701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0f444d2871d1723738da5d0062fb7a4826d80cf8c0f5daf16b0f0419e889600. 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/USLS52104704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x707015387e67850141e2d44ac53e9bb31eed6cbcdb1fbb0672f40df723704dde. Chain 2 (Bitcoin): anchored in block 958506 (2026-07-18T06:14:51Z), 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/USLS52104705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bee065ab73e05a421e24a21e980e2c388836ceb92da6026c118050248a722a6. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/USLS52104711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xceb02c594b2dbb92124901b26b0d88ee0528c0d20a38f65569d4ed84ea25b1fc. Chain 2 (Bitcoin): anchored in block 957866 (2026-07-13T14:54:25Z), 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/USLS52104713.
A Quiet Place: Day One (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9aad92d8d2bd97da20ce57ab5a9f45eb42505c93f277da7d5dff6259535ef7d3. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/USKLP2400173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff552d9f0d002b4fa72124970f040cb6faacde77ddaf5a47e54bd53a355e04d9. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/USKLP2400175.
You Can Hear It When You're Quiet (Finale Suite)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4529152b125f937409a5badf6de1e65e032c486be1c4b10119b841b2ab7cf2b3. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USKLP2400176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26386045a7d5ac7f8c6d3ae704b819f6f1ea34e765800b5ef9bc537c534a6e3c. 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/USKLP2400180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90403b678303c42d14c1e8ccf590b1681a03654b213daed4ffac221ed7aefd1a. Chain 2 (Bitcoin): anchored in block 957884 (2026-07-13T16:55:06Z), 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/USKLP2400185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98af17f53bf65653f88a456eb703e51a14559eb874c69fa476b940ad9753376c. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:02:42Z), 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/USKLP2400186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eb4bbf369ef0cb2c7096af1a83588e5bc998b322a619926a87ad0c92c0f3bdc. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/USKLP2400192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3618367e95513fec58a2fcfa4648eab5afb6bc13111849307904f4e53fa77f32. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/USKLP2400194.
What We Hide (Original Motion Picture Soundtrack)