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 0x08d2ab53751775c8ad74a55a95cddfeef9db71499b9251e1abe887d700874e33. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/35178540-ecf0-4a88-a3f3-f56849c809e5.json and https://artists.proofprofile.net/proofs/artist/35178540-ecf0-4a88-a3f3-f56849c809e5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Lo Mejor De Fernando De La Mora: Amor Eterno
Lo Mejor de Fernando de la Mora: Amor Eterno
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 0x55fad64e9efd0f036870c05aa20fbc84f9b96dd7ddd2b0ee5d74b7dedc14a921. 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/MXA0N2300425.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3ca9417124043613d204a8ac8055ddb02519ad04d5f173218446c6d300fb336. 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/MXA0N2200127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbf474fd7f52aa9f6e49a2d66c360465a06899092107d2d2f4ae97ccfeefefe7. 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/MXA0N2200128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3ca9417124043613d204a8ac8055ddb02519ad04d5f173218446c6d300fb336. Chain 2 (Bitcoin): anchored in block 958850 (2026-07-20T11:09:43Z), 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/MXA0N2200127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbf474fd7f52aa9f6e49a2d66c360465a06899092107d2d2f4ae97ccfeefefe7. 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/MXA0N2200128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff13fa55e1ff982352c0cd16158f14942050399e0a0dd6d9e8bd24aae89f5c76. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T20:38:50Z), 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/MXA0N2200147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5951e8aec84ba1598075df5450de3d3a053a92c6d556f112d251a7a31827b696. 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/MXA0N2200149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff13fa55e1ff982352c0cd16158f14942050399e0a0dd6d9e8bd24aae89f5c76. 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/MXA0N2200147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5951e8aec84ba1598075df5450de3d3a053a92c6d556f112d251a7a31827b696. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/MXA0N2200149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6f1b5409a16ecc8033f4b30d7583d685e2e43f7002b3f77a5cdc717347acdc3. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/MXC261700034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaaf8263289528762bd7c2670713c888f175beedeae8aa750a82bfe3f2db2759. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/MXC261700035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb000c2ad4a8aa1937a2ffa9c1dc903040b6e4fbfd8236d367ddd9fe7f134a9d5. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T10:53:17Z), 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/MXC261700039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfadff98bdeb4e6be50e5ea80ae3c7f531917316a672a0679171e26ffab6f79ad. Chain 2 (Bitcoin): anchored in block 958817 (2026-07-20T03:52:09Z), 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/MXC261700040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e60b17350a7c4e9784795192061102abdad75deeeca5252af983b7cfa2b02fa. 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/MXC261700042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77f174a2c5ec32201cad95d2e11e66ca11e717ce5b7b646f6941c1b987159ad0. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/MXC261700045.
Fernando de la Mora Interpreta a José Alfredo Jiménez
Fernando De La Mora Interpreta A José Alfredo (feat. Mariachi Vargas de Tecalitlán)
Un Mundo Raro (feat. Mariachi Vargas de Tecalitlán)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7421577f96f4a87a26e72a47a4f5aaaabcf526efe9e59eb66668bc47947d2d88. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/MXA0N2200178.
Fernando de la Mora Interpreta a José Alfredo
Fernando de la Mora Interpreta a Rubén Fuentes
Fernando De La Mora Interpreta A Rubén Fuentes (feat. Mariachi Vargas de Tecalitlán)
Huapango No. 6 (feat. Mariachi Vargas de Tecalitlán)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0aa8d8a33f2e594c430929190b617ff9aec6c701f8642e8f533812aed9f25238. 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/MXA0N2200193.
La Magia De Tu Amor (Interpreta A Armando Manzanero)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe01dbc9a70bd5bad91e5ded7e6039b189842e7435d07a8da9d3f7cf56bb4a858. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/MXA0N2200213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bd5f49bd5923afa5c8463c4d47418e5a0ec1fcb5963c80993f167d0d59ed170. 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/MXA0N2200096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ce75fe574f1bd318488e70aa885834180664de1a02661c911630d47ddd6fb9f. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/MXA0N2200098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b067a26db13568c4d22bdd8642950acd710bc4cf5f19cae43502700011b06a5. 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/MXA0N2200102.
Alegría Mexicana (feat. Mariachi Vargas de Tecalitlán)
Cielito Lindo (feat. Mariachi Vargas de Tecalitlán)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6d1a5b965c182c09b0f74a327b767b719524193b4edb33766e7e9ffca47c85d. 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/MXA0N2200091.
La Feria De Las Flores (feat. Mariachi Vargas de Tecalitlán)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bd5f49bd5923afa5c8463c4d47418e5a0ec1fcb5963c80993f167d0d59ed170. Chain 2 (Bitcoin): anchored in block 958390 (2026-07-17T09:35:49Z), 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/MXA0N2200096.
El Aguacero (feat. Mariachi Vargas de Tecalitlán)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5506f0bbd1c98cd786639df70f93e5a71f4581c3e983730b53d5442d44656098. 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/MXA0N2200099.
El Mil Amores / Tu Enamorado (feat. Mariachi Vargas de Tecalitlán)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b067a26db13568c4d22bdd8642950acd710bc4cf5f19cae43502700011b06a5. 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/MXA0N2200102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55fad64e9efd0f036870c05aa20fbc84f9b96dd7ddd2b0ee5d74b7dedc14a921. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/MXA0N2300425.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cb21dfec6e554e799ad187e9ff09554d221d205a5198c96f24f22c2965f5a63. 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/USTE10403411.
Faust, CG 4: Salut! Demeure chaste et pure
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50ea33c3228a2ae758bfb1e86cdaa169785effa819838839a874bfe096d8fcd9. 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/USTE10406411.
Roméo et Juliette, CG 9: Ah! Lève-toi, soleil!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc15ed578b87bd4df82c07e5eb548a2ea90f63100c9f853c6fba0b924d875dfab. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/USTE10401411.
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 0xd1a914be4c71399fb10f78f54e4f5c572ca368cd7ef6eb8f0a8b8a9cb5c7e353. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/USTE10402411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde5118871bdbb07aa1c920bf87f3547a2d97e8719c8f4ac7e915aaf7d5f0a0a2. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/USTE10404411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98f4a9936d78d1e825b4f6b2b82916d36b6533dbc43986a975fb2e8f4508d1aa. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), 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/USTE10405411.