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 0x078aafa5d1cca65e99ec4b58a3c786f0d7711f82ca74c726519cc977cd09d2ef. 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/9aa4df70-8746-44ca-b26e-3c9bd9799083.json and https://artists.proofprofile.net/proofs/artist/9aa4df70-8746-44ca-b26e-3c9bd9799083.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 0x1746230272beb0e05140503a6c1ba065a6fc573b7f9fd976b380b2cf656e28f9. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T19:55:03Z), 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/ESAAI0230639.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0b5a369ba5c42263f94d1dbee622b32e57f5422ab7204126579c96446c1edd1. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:01:03Z), 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/ESAAI0230606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89aa3e0f35d2ef4e0da65aa0b01de36d12ad731cf8a107b07058752661bda81d. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/ESAAI0230348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25b56827a52ea4ca55f731be0e43928f31aac21fe4c4966d51d1aeeae04c6f01. 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/ESAAI0230349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe43a97f907af8826668a21059f57f110f5cbdf2e57c506b498648d529c21cdc6. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:22:29Z), 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/ESAAI0230357.
I Want You - En la Democracia de mi Ombligo
I Want You - En la democracia de mi ombligo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x507f9a0a1e3c05e67f39f563f29f6a6ce0212571eab3e68263e7c2b5260b065b. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/ES6171919177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53bf06258472af2f75dd568d37274952cd63d9e860e140a5dcd125f5a2ec19b0. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/ES6171919214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6068f7a258de19579c6dfde7b232504c0fe75c0845502b06fc89bf68a7aa27b. Chain 2 (Bitcoin): anchored in block 957616 (2026-07-11T21:52:36Z), 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/ES6171360330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc53922faff89d4fd1d81080e97bb065bdaf595846fd15ab3d7f0ea1b178c5665. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/ES6172121004.
Solo Era un Salvaje (Directo 25º Aniversario)
El Laberinto de la Existencia (Directo 25º Aniversario)
Tu Tranquilo y a Lo Tuyo (Directo 25º Aniversario)
Aún puedo esperar (Directo 25º Aniversario)
Antiimperialista (Directo 25º Aniversario)
Miami's way of life (Directo 25º Aniversario)
25 años en las cloacas (Directo 25º Aniversario)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6695d4db8d34b587c7ab38c0631bc265e7f82be9da1248a8b8ad56c60828a4e. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/ES6172121177.
Yo tampoco soy tonto - Directo 25º Aniversario
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb4a05e051584bbdafb7bf9fd2ae226182165fbf1ca755f8c3f2c9101cd8c690. Chain 2 (Bitcoin): anchored in block 957624 (2026-07-11T23:13:54Z), 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/ES6172121178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc3d0615aebfbcb54bcadffcd87efb0ab688f4ddf2ae8c583e6d59c71ceba778. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:52:24Z), 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/ES6172121179.
El Laberinto de la Existencia - Directo 25º Aniversario
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x797aef4d54cae9e9d1389f6dd0537fde0a1443430c95c47952c58a72405c67c7. 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/ES6172121120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dbf3cfff4b43ee0c1e4926079cc4dc2cd4ef8c6020d168776d804495eedb3d3. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:51:53Z), 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/ES6172121182.
Aún puedo esperar - Directo 25º Aniversario
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9c61b7ac62e70257a3a93b07149e70661255fe409a0bcd54844ae94f8401fc1. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T21:08:42Z), 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/ES6172121160.