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 0x29e838ac7cfb3181c64ac8887962ba8e21289bd26e750533f9f792598b56a0fa. 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/ddb82b35-20c2-48ee-8482-6f00fcb3cd13.json and https://artists.proofprofile.net/proofs/artist/ddb82b35-20c2-48ee-8482-6f00fcb3cd13.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 0xee2dfe4e2c9405588f65e8b0d085b9c922008794d430ea6e659d1101fbaae5fa. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/ESA011816520.
Todos los domingos son para echar de menos
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84341815d8db0d06110569c09b9476e68d33082df607683dcfa8de72539ae245. 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/ESA011964475.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf87ad33d91656b428b3d3fe7a1bbcb2cc59ca25102c27ec769ec02c646372e1a. 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/ESA012060382.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeb00dbbb078fcdf94244b6bdc0507a6bcd92644cd65a4d2999416edfcbcd25a. 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/ESA012071065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x513c82877e4a3165a94e3f8d593d1e172417c27366add77bd11e60fc654a3205. Chain 2 (Bitcoin): anchored in block 958882 (2026-07-20T15:32:26Z), 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/ESA012083360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6199cd1d53f94708943fc2335f5c089e3c4eecdd769045897682bec2f4e3af9. Chain 2 (Bitcoin): anchored in block 957629 (2026-07-11T23:44:46Z), 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/ESA011858682.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1ac4fc6d165b6f9856a3012b77a3a8f3443a3c61a4c18e582796ffecd00b20e. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T01:58:22Z), 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/ESA011607036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2ad852a51bf1a06e9b35cffbe435ea0759cf0c2ca57e59fbc822e53ded7b033. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/ESA012190673.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbef0dcebfa63032ec2e10439d851f463ca2bc6997263b977f6d3567a5d8d38b. Chain 2 (Bitcoin): anchored in block 959091 (2026-07-22T05:07:38Z), 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/ESA012191597.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc74f24f7308b777ca33b4cfc597307c18e04817dcfa54271cdb4de7c4ef26442. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T02:08:25Z), 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/ESA012156903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d90a88d41ac782f02eb81b7510eb5c8364f679251bc01ab2245a110d8be1e52. 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/ESA012154885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcba8dc80f2623bfd187b5f9c79e3b4c13cae0d7d003d27dd3aa0fe8bc8a3183. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T18:12:15Z), 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/ESA011873749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eff5bf307c7bae095b4e6125ac495330db36de4c6e9e633e69471c2a38ac44d. 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/ESA011873844.
Microcuento, Pt. II - Lo que hago por las noches
Qué hubiera pasado si no nos hubiéramos conocido
Microcuento, Pt. III - Siempre has sido tú
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82e8388e758c79b39af43f0879c828a8ff43f033ecd2d99fee3411c0f834fb66. 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/ESA012205009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9426e9f7c06e15f30a5052b6e4278481f25731c4faa6d2d49773ec099184f35a. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T04:31:03Z), 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/ESA012212914.
Microcuento, Pt. IV - No sabes lo que tienes, hasta que le pierdes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x639a05302a750f8bbba978d9f1386848a0542a92ed7dbc682f61b6fb757ca6ef. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-22T00:19:33Z), 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/ESA012238633.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x557907a34436e2d0c809d4f0c1026bbc69b720376a4e4fd30b5e5a77a9ef1c8d. 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/ESA012276694.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78b2ae80d7f2aa53a32e825e11951514e9e623b39c33c7a8478673edcd35c433. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T07:20:32Z), 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/ESA012236704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b4463f43e7983688cdbc306cc2284cf2545e165f3cc28e7e075e1d8f31f2fd1. 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/ESA012287497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1ec6a88bdd83eaf7015230eeb3fba11bfcc7f059406b63d5ac73ca35edfb0b8. 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/ESA092213727.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae8a059bbcdcd25a01a2ed4ac820c0310de942d24884e407b6117dc39d831a08. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:07:46Z), 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/ESA092216896.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb6168cc21f3433c141be20cb144f7b1b6e638860eb2566f2e448f04fe25c365. Chain 2 (Bitcoin): anchored in block 957633 (2026-07-12T00:19:47Z), 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/ESA092219612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcebe33a287aa5f29c2e53d4d4022865bbc30e4e81975093967bbed6f457aa181. Chain 2 (Bitcoin): anchored in block 957633 (2026-07-12T00:19:47Z), 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/QM6P42306834.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfbdd86b4a22079528b927496e56950f44f4d95d383ed97bbd4df39b0978f7ed. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/ESA092502252.