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 0x718f4e7fc64c56f55393cf10a32a8aff59b365b2147966c6c87a42f8576f882d. 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/952aa589-ae79-4783-b15f-206486b418fa.json and https://artists.proofprofile.net/proofs/artist/952aa589-ae79-4783-b15f-206486b418fa.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3071e6e8446efd3354f673584cba2d2beff51becba91dc965f763f0b48c211d7. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:01:55Z), 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/USHM21159621.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ccab984de6b4ac94075ff812ff46c027195844e8eb9cdc48138bf589fd8f7b5. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USCGJ1327735.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7515a8b19283f26057a81aa99654b6b69b22bf09815b343435a056515245f090. 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/USFMT1507701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dc578e5ce105caab8b35ec1ac22a91a5fd400dc360620c127d0c0e3093f94e3. 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/USFMT1507707.
Honey I Love You (feat. Keb' Mo') - Single
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0d6653eb199cb64aa7aac7f22c65e1850da3800068c56c45558db5c08fb57de. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/USFMT1708602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x598a3d1935ba115b40f26613a85a6ba75339bbc5f45493f857c3e1b8c93e64aa. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/USFMT1708604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x986d1a66c00be92074dadb74bcde9ea4bcf55ef2f7b3e55f862492194a109a99. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/USFMT1708606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd310191771607025baa9023fe0f44adb34b1c456b90609735d24a87229e39208. 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/USFMT1708607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa50546abaf05f74a85879fee2103db2b713965bf2b0c2bfe18112db1b97f63e7. 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/USFMT1708609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf435ba9cc110915f58c3b4f0db2bf0f3f97b95e76812e54a611e8204973b689. Chain 2 (Bitcoin): anchored in block 958508 (2026-07-18T06:27:01Z), 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/QZJAJ1900001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x289163edc92d2f64ec19d02f569f5089c17583bdb26296c60c060dd6adde2bbb. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZJAJ1900003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe28cb5d84ba4ad7b1f1097e2365285fd2d2c6b97ecbacfd41d60ddb08ba5bd11. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T02:49:15Z), 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/QZJAJ1900004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a8bf1e7317ff1c78de127afd558121c1ba2ed8cafe1971587ed50285409d30d. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T12:09:53Z), 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/QZJAJ2000002.
Jam in the Van - Dustbowl Revival (Live Session, Los Angeles, CA, 2021)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a31e14192b442bab4a77aa409513f2c32d10480c5a0bcc6bc40c9ac1c7fb0a8. 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/QZJAJ2200002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe684ce52faf157d371c6208a9df802b307a7b34112b645c876e4063c8c67de29. Chain 2 (Bitcoin): anchored in block 957788 (2026-07-13T02:37:37Z), 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/QZZ8A2527032.