1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x1f1fcda1730b4e73ad7015262a5ab1ec07457a0181b2f739a52c0d25ae617faa. Chain 2 (Bitcoin): anchored in block 954623 (2026-06-20T23:40:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cc371c38-c934-428c-b8d3-ea32690fad6a.json and https://artists.proofprofile.net/proofs/artist/cc371c38-c934-428c-b8d3-ea32690fad6a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
NO MASTERIZÉ LAS CANCIONES, ¿Y QUÉ? ESCUCHENLAS CABRONES!
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 → block OTSBitcoinBlock must exist at that height 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 0x754dc14451a765faa1ba0e6237bb7e51d39a54726e73145862374211522d32be. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBWUL2068290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cff00f083a0ac6125b9ba2f25ebb8fa51494cece04106c55ce173c921031558. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/TCAFP2111504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd184176aa4ffd63a6d4f6fa8c4829ec1aed2ddb8f96a633095ab99ca39b9c865. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZTAY2335344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8341aa62b0cbbd16cc80310e604681e178d345318db75fef1b60764982725954. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZMEQ2345570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cc47f785972f7db57359fcf9e5625e6f5bcb33592d993a6fb99a73b12242c31. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZMEQ2345571.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1256d894495b1819e9e9f226021292397ffc91ec817fd9198b3d8dc710823c75. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZZ8A2415576.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe465ff3ca9deffb294a91592b1850d9fd827cd054ed949f4c29e6e43476a291d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZZ8A2416760.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb984801cbf406e1f163255c3b210b5fabb0352d79fbd23c48b1090d61a3817fb. 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/QZZ8A2418372.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77a1ebbe083e86963863dfadb3b89173562bd985ca32fa7dd3b4b1af5d330027. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZZ8A2418392.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ba4aa631ff0d84d78d88505b0459f1e95f85f9079d2322292842de14d863877. 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/QZZ8A2418405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eba0c46c4ae54987ba88eeaf223555c70dde84773e963e05f7217707f712d38. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZZ8A2419559.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb883e642c397846fb0f5d2f5042b9e96d8e9f2369bca048eb6c9ca16aa7e5cf0. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZZ8A2421602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa11b7f511cd3a868adac07a262decebc402e00f0dad9de4d3fe832cfbc3415c9. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZZ8A2421622.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x490f94a09337690104b46d386808e2107f0d660786f1f210e0f0b17aa6045b65. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZZ8A2421631.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2cd0d308a4ebd117ad8b46f84296a1fbdf5288043a73e05f1387ece99049f7e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZZ8A2428268.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2648d38c09e6e989226f1cb5fd111d471becd25f5b88b0dcc37ee1b82d76100a. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QZZ8A2429002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91e0f010ae39b36e5a61009f58bbe175205b6021a0cbd06593a0b394e1fc360d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZZ8A2429026.