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 0x694557608b556646f1d8ad7f13563ff6c94fec26fa1d6277e01eedb8cb8993a9. 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/4dae0017-dd54-48b3-a073-22ddc325296a.json and https://artists.proofprofile.net/proofs/artist/4dae0017-dd54-48b3-a073-22ddc325296a.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 0xbbbfafbe7d3085f46d05a27cee5823edd766a603028cbde2b38420fb2e6824c8. 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/QM6DC1855406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb1a8d15b66379640342d8029186d87a018a85c8cd4161b618e244438fe97b23. Chain 2 (Bitcoin): anchored in block 957898 (2026-07-13T19:28:48Z), 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/QM6DC1855408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7749922a622c474d8da4487a6dc1a7928b4edc061f589a6e7f15b74790a90853. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T18:28:01Z), 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/QM6DC1855412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x403ef985d742081ff794a75b4fa0d95083e596b2e1f3f400a636a740a0c89b3a. Chain 2 (Bitcoin): anchored in block 958662 (2026-07-19T04:43:15Z), 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/QM6DC1855415.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3761622bd9c02f1344cfef8846ee9d3bde55e4efb830b888122567249c82d31b. 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/QM6DC1878527.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05319cb0161aaff8b532dd30b13f0666448b2499d5aaf05a79d2d4529c797120. 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/QM6DC1892908.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a129eaa952c61e77cbbbf327e884e28fbe5d9c17f33198e3bc47cb9b4b74ea5. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T00:02:59Z), 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/QM6DC1892911.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17a2ee92c30d9809b312a2c8aa627058e18e09bb7deb6478c624704567c35936. 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/QM6DC1892914.
Maria Teresa / La Burrita / Sones Putlecos / El Poquilin - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd91e96eb58c3e45aaca5337c4e1e52d66c11645918e20e92b75f5dd4674cb9f1. 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/QM6DC2090750.
Pinotepa / Juchitan y Huehuetan / Son - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb32420b2bd7ca269589eb0d2ceebdde2f36529bb5543cf5ce5ed53deef961722. Chain 2 (Bitcoin): anchored in block 958303 (2026-07-16T16:39:24Z), 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/QM6DC2090751.
Moviendo El Too / La Culebritica / La Morena - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9510ec0c555727257bc3a1bf91b08fd5d4750c1ac6b6c9aa579c800c9299a830. 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/QM6DC2090752.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x513d7b25846b0e73d2de6f1f045c1462db5d3b6399e3122cb09b6a5fab2814fd. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QM6DC2097355.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dddc99aec49981800543c0782335e7c3a690443049a7e912cde3fb12d1e24b7. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T08:05:16Z), 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/MX4972400766.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x380919a451a98248658d18eac26f95e9bdedb86535a85b61e2744683f6676d5e. 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/MX4972400767.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf89e588152dba3606aaaa6953007c95aa53719973f0239700cc1f5928b55e7f9. 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/MX4972400768.
Se Muere / El Gallo Mojado / La Chona / Carnaval Putleco
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca3beacf8db41393d4fd3d2ae17eae7340dded67994c068b5dc0436ba82ea351. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T19:51:36Z), 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/QZNJZ2455526.
Charangas Del Sureste: Traicionera / Lágrimas De Escarcha
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd380ff50609bf265b03a9d1abaad6f036864d22211912467db0739254ecce056. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T14:09:49Z), 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/MX4972400772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d200eb56fac29492fee3ce29b878725dc5a1179418e8ae51dc231620b2d4288. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-17T00:32:43Z), 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/MX4972400775.
La Malagueña Curreña / Verdad de Dios / El Toro / Pinotepa / El Palomo
La Cumbia Barulera / Se Me Perdió La Cadenita / Mil Horas / Talento De Televisión
La Chona / Son Putleco / Los Tlacololeros / Los Diablos / El Toro Meco
Cuando Volverás / Se Muere / El Gallo Mojado
En Vivo Desde el Salón Olímpico (En vivo)
Cacheteao, los Hombres y las Señoritas, el Bum Bum
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x903aeadfa9be9910acbd2b307e9a0137a9810141ceaefc21afaa35bb8402950a. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:30:04Z), 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/QZW9L2497546.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2205d174f88ba90effd28b0d1e195a95e58b7da092d2f280063b920e4ab6f076. 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/QZW9L2498502.
La Iguana / La Malagueña Curreña / Feria Chilpancingueña
Ella Se Fresea / Moviendo el Too / Te Gusta el Taa / El Negro
La Boda del Cuitlacoche / El Toro Meco / Pica Perica / Cuando Toco el Sax
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc749f93d2f3d29f6c9383ce490ea84da05b4328b01fe83b200e22f27ff351d92. 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/QZGLS2506320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d4e9966ca95bec787b4e5cf1ed1ce4e424efedabe34e51ed6f48821e1fe5934. 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/QZNJW2573279.
Son de Victoria / Perro de Bodas / El Prau
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc8917f8f3f5989ab6404e60c8c78c1e18b25d8e2eee23f5c1b00db50b31f6ed. 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/QZNJW2573283.
Titanio Y Sus Amigos Presenta a La Tropilla De Miguel Camero (En Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa41e6f815824eae30ab85cf4423e101d7a31bfb7f2c2ca4e5f0d5b7a314cc269. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/MX4972502009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1568e4ece3cddf9d5cb96debaf7bd6fb334eb5ed904509f5d00c6e9db36d3ae4. 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/MX4972502010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b51e317c66f83a0e82834aebff02aa0d2649b12d15a3b61bb54f11635567257. 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/MX4972502013.