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 0xcdc373539d7940af03ae9b03b3bdec12bffe827b87b71ccf6bcdb5359988ceba. 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/8dde3c50-ebe5-439b-adf6-1c14f0bae3c5.json and https://artists.proofprofile.net/proofs/artist/8dde3c50-ebe5-439b-adf6-1c14f0bae3c5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sera la Chinkungunya/Te Gusta el Taaaaaa!!
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 0xe8c284393b76cebf4030f6b9aaf3d0a298fb59e9eee3374cb893bb82c72bf92c. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:20:20Z), 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/QZNJY2286439.
Perrea Mami Perrea/Gatea Como Gata/Te Gusta el Taaaaaa!!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb727962da63acdf096227fbf637b07e0ec30f33687db7b0cb7a29d0bc2d83f83. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/QZNJY2286449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeffd54dcaa1e896b7631918bfa713cadbbbbfe481b07786cea3e99e7b0a1265d. 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/USX9P2386868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ec0830e6b96155fe27992fb670fd1fe9b3665a8e50590e9771d912b11104e3c. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:23:59Z), 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/USX9P2386871.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04bf342b43f8996a5a3ee22c776d4ee7115c2496772a8cf26c086142ce8c23c6. 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/USX9P2386873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaec3392b4da6c573a8eec826e96d674099a238ae0960a8fb72a17eeb2a10006d. 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/USX9P2386875.
La Culebra Gruesa / Que Linda Es Mi Tierra - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37a5827145bff018ef01da14e49f6be3ce89f22ae18e9f7a9b47db4061bd0f75. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/QZNFJ2406126.
Mister Corcuera En Vivo Desde La Ciudad De México
Lo Que Tocan Los DJ's De La Costa Vol. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a69d22970c7f63ec3d0dd3969c600fc6dedb6f43181a92c586f75cbe80cd6cc. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/QM6DC1855390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2512c12e3865f1b31abf9a19e99e52919a81ca8cfb67dd42af021f6469f9c734. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QM6DC1855402.