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 0x684af618faa4e65f16d2a94d524fe09f85a931b41510446f513a3b0f8c014cbc. 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/46234c7a-1381-450b-a9cf-cc4c62eec6b1.json and https://artists.proofprofile.net/proofs/artist/46234c7a-1381-450b-a9cf-cc4c62eec6b1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Popurri de Cartoncito (En Vivo Privada en el Bote) [en Vivo]
Sierreño Mixtape en vivo vol.1 (En vivo)
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 0x8abf8690dcbf84989164020fbb65c534ba5472d9d8534a1e92d32507e977e96a. Chain 2 (Bitcoin): anchored in block 958185 (2026-07-15T18:19:04Z), 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/QZFYZ2191534.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16039e2cc975cc79e51e37ede5f9bfbe0223eb06eafd5d348a2fcd1a05fb724d. Chain 2 (Bitcoin): anchored in block 959076 (2026-07-22T02:24:36Z), 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/QZFYZ2191536.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bc32d825294273a6bf359fd1700873e7d97d755e918baa8a77c09d8191d8020. Chain 2 (Bitcoin): anchored in block 958734 (2026-07-19T15:50:20Z), 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/QZFYZ2191538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x799f4043e262e079af45cf6283cfbdb60d7c5a7eebbd590c4d8f9088a01e1ca9. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:27:07Z), 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/QZFYZ2191539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa470fb4fc5a59bcfbcf3d275989f0892972b3ba73568045fbe10d518edc1d78c. Chain 2 (Bitcoin): anchored in block 958947 (2026-07-21T03:32:29Z), 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/QZFZ42174752.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa35bb27d99ad545a352185ee9baff94a4bb291176a26e32ce907f4f1af7d70df. 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/QZFZ42174754.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf480130ebf1a95f8ba81a856e2ed9359d3851307ec1bba44074a4e13aa6947f4. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/QZHNC2185673.
La Gracia Del Payaso, Manny Flores, Jefe X - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8c7495a0f538a77531a0ae03df2680ce5338abbfa3444256625cdde2196db56. 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/QZHNC2185674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb448974e250f03b04c041f50b74be14d98d66b6cecdd36461ddec5bb8f34a2ea. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T19:17:28Z), 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/QZHNC2185676.
Popurri De Cartoncito 3 (El Mono De Alambre, Esa Fue Mi Novia, Los Chismes) - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0626419535e24695f5b1db6f95964549190f6c7c93aa1f49b4ab3a7a2b696b8e. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T09:47:57Z), 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/QZHNC2185677.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ac64be015b8d50d7ee3071a8efe0aba03031199847bea4e2c1a41179d283af5. Chain 2 (Bitcoin): anchored in block 958666 (2026-07-19T05:00:30Z), 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/QZNWW2229735.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe2452d267d2f3886309ba97f7c82fdef08cf679c26badde9d251c7ffda051b5. 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/QZRP42340179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2182b11bd452bf670ec6f5fcb7780b51abe726cfeecd0908cf93d630eff77eb6. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:33:10Z), 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/QZRP42340186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3597cc071207f9a0cfdfb49ede0d496fd40b7444c52af9ad813a5e8aaf4949f6. 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/QZK6N2453713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57505447ba618e5750e09465ede01ffdf279126cbde6113ad9aafe5214c7a19d. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZK6N2453718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e3cc81434329af317a129238dcb36a9033f415a1a8decec6617d875e4b34d84. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T21:03:51Z), 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/QZK6N2453719.
De Viaje En Viaje Edicion Navolato Sinaloa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57e64b4b262fd58c1fe4d9dd45499510bee586786ebfb4eaa4c59eb96b8fdcac. 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/QZTBB2460108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56901e628e1c604d2ddc3efca30c731fe1fc54354740d96d87f4692091a619bc. Chain 2 (Bitcoin): anchored in block 958552 (2026-07-18T13:15:29Z), 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/QZTBB2460110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7653fb5f880b5dde632fef79001fdd845cce00b22b222285a73aa58f90f85de. Chain 2 (Bitcoin): anchored in block 958689 (2026-07-19T07:11:11Z), 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/QZTBB2460111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50f8e49dc8fd6e66ff132be83316e4897af9da4c5c028a2c9ce8cb07d2a9ce40. 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/QZTBB2460112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x624eacd0479cdb31cb55ec1279cbae8bd966a3437c4bfaa87d5b56acf6a9d3f3. 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/QZTBB2460113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc574cd436a207b0399fbe320cca1121cd9de112c50fdfd209d01e1db070037b7. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZTB32573817.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bb5e083544453283f61cf297037e119e51c27bbe2d9baa61da2351725090498. Chain 2 (Bitcoin): anchored in block 958770 (2026-07-19T19:26:13Z), 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/QZTB32573818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae087372b1644c5ba8c9ee2519767e01574b1daeda6c18eb3257af1be56c1549. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), 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/QZTB32573819.