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 0xe048fe913724cced0aaf8890688f0153d5bd36199b70f5f1eff4f4f778613ef4. 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/de159668-1fb5-4d74-aa06-4b99f6c39cdf.json and https://artists.proofprofile.net/proofs/artist/de159668-1fb5-4d74-aa06-4b99f6c39cdf.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 0xa59357edf850af47a5883d8c942a7e3fc6fd12075d83ff608c807dcd08daf5b9. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/USJ921150889.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73f1979f0776093cc118b151cdff33c5419ab571b94d8d6abe046bd77e6eeeec. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T08:49:28Z), 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/USJ921150895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dd36895ddc15c3e3d34f4a914a006fc06f159c18ab24fdd579263ea6c1e70ad. 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/QZES62247800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79bb125d8c251a60bd36ed4566eeef5c5a34d0ce4fb5219cec1bd200f29843b0. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T20:12:32Z), 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/QM6DC1903940.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fca15947a66086168ce8827964fa3c5ed8511251b0abdcdb73b24ea2ac655b4. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:41:04Z), 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/QM6DC1903942.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e72368a1f33d6cde21f13ddd990299bd84951f3510a437f7b2aa9d1ac540ab4. Chain 2 (Bitcoin): anchored in block 957919 (2026-07-13T23:58:45Z), 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/QM6DC1903949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb28486756ece7b276bf0d8f8592025dc8baa04d3cef95fa248dec85bab28176c. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/QM6DC1903929.
Leyendas Mexicanas 20 Trancazos en Corridos y Rancheras
En Vivo Desde la Sierra de Chihuahahua (En vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x244d6c0d4c9677026ca357c06e0641d6034019b3ec58ecd45c8f29ae46d13d8c. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/QZK6H2040099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8a02e3c7a984c200f0fcd68d6d2691539ec541233bd4b3bb8f4c7fb06f724b6. 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/QZK6H2040104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91b9867327b7150cd20ee0047d18029d3a41a8762f9bd67d53dec84b756ad135. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/USHM82156076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa92f315b2f55f6976d3628f222915615c7463e060edcf29950df1383c6350a15. Chain 2 (Bitcoin): anchored in block 959084 (2026-07-22T00:50:00Z), 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/USHM82156079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11bb5fa663c8d243056b853be9c62fe3b0ad6741973dad35cbfad819a4a40cbe. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T13:01:04Z), 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/USHM82156080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41d986ee859e19207ac7dfc42d2b53222423cbd0b6ea7ea7da65d54cd76783e9. Chain 2 (Bitcoin): anchored in block 959076 (2026-07-21T23:41:40Z), 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/USHM82156083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92e62a51568af41a7a6ea85b0984c3a24092ddf0f7a9c47718e5fb79b3cf6711. Chain 2 (Bitcoin): anchored in block 958734 (2026-07-19T12:54:58Z), 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/QZDA72247140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c07a50a6764fef2bac3dbff4004b1a872e11e48b8c0cba247696cc3e5026ac9. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZDA72299453.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb750e65602c664620f243896d1654924b1a64b7b8bee52077724b2e4a22042dc. Chain 2 (Bitcoin): anchored in block 958827 (2026-07-20T07:52:12Z), 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/QZDA82203513.
Blanca Rosa De Castilla (Special Version)
Ya No Quiero Ser El Doble Guitarras Y Tuba
No Lo Voy A Traicionar Guitarras Con Tuba