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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0c2cdaf40d05455a848dc92b6f5bc0cd578fc2db031a0d1bca0babbeb6cca33. 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/5fb215ca-226f-4a1c-a244-fce58a9ae476.json and https://artists.proofprofile.net/proofs/artist/5fb215ca-226f-4a1c-a244-fce58a9ae476.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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45c0a7d7664ed5328d36496d516f5a9eaaeceb2908f80004684018ee6ced6b9e. 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/QMXTC1102162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d22b8ee0f73ca5de8b8dffd4b1e48d4ae409d8ba7b840897cc488a1ab510e50. Chain 2 (Bitcoin): anchored in block 958567 (2026-07-18T15:22:40Z), 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/QMXTC1102165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x209d551cadd3758f9fdcc08e0e76e3425ffc57619846e70d8d82993e81c18b5a. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/QMXTC1102169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23a3cc8b8108844d43e36f2fcddb3413eebf594f3cfdf8953c7d837cc22db69c. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T14:09:34Z), 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/QMXTC1102177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24f16d6ca07bd22cf72f1072ef37eb8374777bca5a2093005cccf2effe73fbfe. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/QMXTC1102187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00f0a29f54cacef1289f840ad66c9196ea7c7f30a26f2cff7c6032ef6040f8e5. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QMXTC1103359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71286bc4e4853aeab80f4c854cb6790affc536cc092bdb46d6d7e45876754dcc. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/QMXTC1103363.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e08bd7594e29b84d897ccaae2e6e58ce5102ea41e1fb25b1e81e7e1e4f069f9. Chain 2 (Bitcoin): anchored in block 958918 (2026-07-20T17:58:04Z), 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/QMXTC1103366.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3a6d6b841fc92670b6990955e7e9c5013a8e5169ef84da6d5d90c3c77009091. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QMXTC1103399.
Ember: Epic Trailers for Guitar and Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d3f4cfb5bd1eb7bf6ad18e9d200d0ac8a375dacf0d3483e431abc508437582d. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QMXTC1104816.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x266f25fad92275b0177f4ed8c165e1396b30c14c69e34b26fc3bedf70d1cf8ad. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/QMXTC1104836.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfb91dd8de42f4fee0bded3aab86ef688ea93d5371a126a2b18779e550db7b1e. 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/QMXTC1104856.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2bc22348169c629eb1b4fb25a94e807c5a8cca97213acccd4fdfbf523fee4b9. 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/QMXTC1105824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39fe1f3e498874a9133f24712665e6ae234bd2f79cdafffb72d36e4d6fe54b09. 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/QMXTC1106957.
Overdrive (Hard-Hitting Hybrid Trailers)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09efc893e3313dd3df7cef1f501f43dac0f81641d5dda3948ac177cd183c6880. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QMXTC1109314.
Altered States: Horror and Thriller Trailers
HARDBALL: Hybrid Hip Hop & Rock Swagger Trailers
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabe94763b061bf79c88864238abe42c0840f870875b44cae7b7ba45e7a826803. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/QMXTC1110650.
CHROMIUM: Retro-Futurist Hybrid Trailers
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55fc27e050188aeec80ab495c5ee8de2d0e2f98100544138b14add0f68ce079a. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/QMXTC1110972.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x016361f2f46c73ff2123a06d4ac23c49bbbc85264c0b89ff5fae42c28cd9be2b. 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/QMXTC1111570.
EUPHORIA: Motivational Inspirational Trailers
CHRONOFLUX: Dystopian Electronic Tension Trailers