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 0x66748d50b777f363c81a136345658889954f20998d07f3a1e23a8548f82d5926. 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/0b5d8815-e767-407b-925a-ebb36937217f.json and https://artists.proofprofile.net/proofs/artist/0b5d8815-e767-407b-925a-ebb36937217f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Drop Kick (feat. Boldy James & Soll Badd)
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 0x4beb15e7faf910b65bcc8739048a064ec77e78d40c12c184ba9860b6080af243. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QMDA72190833.
The Ghost (feat. Benny the Butcher) - Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa427b50ab9811bb64fe193e55019e7f5a8b5d4ce07194681c2a122cc8756aa18. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QMDA72190837.
Co-Op (feat. Guilty Simpson, Meyhem Lauren & Starvin B) - Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x007f072c3f176fd2f99a02b6f67a30614e404eac1ebe04a187d41b8af66d04a4. 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/QMDA72190838.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3672156e3ec5866913cbb0b0ea3718a588e8685ad4a9642f2582ca6b0e80a8d7. 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/QMDA72190840.
Savage Monks (feat. Daniel Son, LORD JAH-MONTE OGBON & Eto) - Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35820da7bfaabc55df103f70ee30fa33010569171ecf04b6165a69872dc3ead3. Chain 2 (Bitcoin): anchored in block 960259 (2026-07-30T12:51:24Z), 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/QMDA72190834.
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
Torch (feat. Conway the Machine) - Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda5934287848a34ea67c651f37fbdb52b9f6127c70caecf044f5b33d111d3f56. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/QMDA72190835.
Colpa Di Dio (feat. Crimeapple) - Re-Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07162bd47c7d216b7193fbb6d2bd53478bbfa68910aff6749a911047abcce9e3. Chain 2 (Bitcoin): anchored in block 960404 (2026-07-31T13:06:57Z), 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/QMDA72190836.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb074e95665746e67e200f618a3593fb9066b48a9bcc2a9c91f6fb0665984ecaa. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/QMDA72190839.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59399af9de0d0d91a9a22a8ede64bcd6a7dd0cd5b4e6ad5423064343760e671d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QMFMG2303843.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f32d6a55285388afaea76a5abb71ea623cd3071767473277bb4fd896c58d26a. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/USLD91738840.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b1c5aee95e1337345b21f676b8f181e31601527aea0d8dcbfae4d49080c6dc4. 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/FRX202124051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79ca220ec2d0984047eb3e138a2926e437b1bde607254e4c8dc710252f067966. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/FRX202124052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x617dffb5f21c3f91ccf62a59f4776260bf4bda2d5169b336d10a7f9a56c8a2f0. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/FRX202124053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21022eb36132f8d30d5a5fe099e94fb6193029941478473470acc06cd2d8281e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/FRX202124054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9b70a05f0a0da1cfd97d8ea00f8530139d952c73aab710fe865f1b1061648ef. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/FRX202124055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x847d2804610c0128eef7187b9a53e9e87874d451cb7cb782a3708c0cee7c9ea5. 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/FRX202124056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x713d15b7ea9b4e9721cc85bd329a36a0e901321646ec3e9396673dc859ebb907. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/FRX202124057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5d343b6cb38270fdb5af2bb3f62c86d73694e1965f6a68cd65e2d52e1281ed6. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/FRX202124058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42e74db0386041163aca26d6dde23969d6bca011e19956c2bd9044587ec74a3e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/FRX202124059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33a55c7aa03051e8e9a926f5f65202499334009f3e76f67d567b20d007595776. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/FRX202124060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa7ad1acdc74efff7c65d721e967d4787f06ca6cdb63ecd5b4f985e3127cad2b. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/FRX202124061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18fbfe780712187e2d8652d6684c39aff078a02b7274d9fa3f725c7187bf7126. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/FRX202124062.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefa6f91918e0887d316946688d4aaaa4f11a0efc564bb1ec27ff7a007754f94d. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T20:45:06Z), 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/QMFMG2303838.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1ced328323002c1fa90954fce6d3bbcd33746dd085869bb4297c689bd82c376. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/QMFMG2303835.