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 0xc5e9936c4eec3ad02b3c2b4a6aa62577cbf9ff37c4ca36dc44fed6b8047700a6. 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/02618713-f201-4cf6-9f7a-81952ac84131.json and https://artists.proofprofile.net/proofs/artist/02618713-f201-4cf6-9f7a-81952ac84131.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 0x68bd78598173202244285ea3d6cd15aec2a168002c6ba8f5c92199933e45bd6b. 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/MXD781801039.
Juan Montoya Con Los Gorriones Del Topo Chico (Rancheras)
Juan Montoya Con Los Gorriones Del Topo Chico
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f5539bcfeb86483bb9d32feda63c2233997c516d6e8ea251c331abf8e1c7384. 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/FR10S1574797.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb82b255aa468c1a80f97e85a161e70a78587a6a04581a0faa174af02d72f0f9. 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/USJTQ0903742.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf946f414c9fd562725edc20af8cf05588a5b50068cdc6e655f7fdf13153b06ae. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/USJTQ0903748.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3f5c14781bde217cfaa08ace6a0db7bd43e22f2c1a053f8bbddba614fbc9302. 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/USDHM1810926.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfa595a3c4dda20695c8d186640438e9f138478009d4bd6ef4aef4c06cdd0207. 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/QZDQH2006287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92b9fca831439e09e541acd1233fe1e8fdf2e1305146bf408f22426c6bdf432e. 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/FR10S1574796.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f5539bcfeb86483bb9d32feda63c2233997c516d6e8ea251c331abf8e1c7384. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/FR10S1574797.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa033630597952353270088a2f743c8fb2190319e4ff2816249026b3bc546755a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FR10S1574802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf106f1b83b07bdf59a15aaeebc043e2444ac310e83e5f0748d899838971eec5b. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/FR10S1574804.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63225517adeec0f47f1d56aac0b34cffc213998da4f03973cccee57ba8035f9a. 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/FR10S1574805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40c1926e1d66b86482c040d11934b8ce724402bbaf1c3d2d76cbbf8f529d1a5c. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T07:08:48Z), 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/QM6DC1733596.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73d64c42ecdc8f8e1cfa416fb8a6ffb00126315c08abe6d4f5bad0b70ff0a7f5. Chain 2 (Bitcoin): anchored in block 958656 (2026-07-19T04:04:08Z), 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/QM6DC1733597.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbbe5168413309d14f6c845a8b84e7ec4a899ebfeec665b49557a7ade373b2b9. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-17T00:40:43Z), 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/QM6DC1733599.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x515bdfd5cabf4cbbdc274cb806d0137ff0feb11dacf84406a06e36f00a9cd1f2. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QZDQH2006291.
Norteñisimo! 15 Exitos Regionales Norteños
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16e87b6c96d34f1f5175948477b570d23d8068bd44e69c964c3d3220cd57ee15. 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/USRMK1000311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3589d66ab65e18e310f281cb803f173b5342eb66537149c33ccd092653de2806. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/MXF550800354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62cdc507434a4863004d3e318d74f84ae8e2dbd99d7a85397dba166249f179ab. 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/MXF550800356.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac95eb8305f84d32d837e6a2cf10d9d46eae59c63ce11bafd2e9e5eecfc98e64. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USPWN0910321.