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 0x0260d3af469c4f5eca31f2144df44e1ff296a0a940d15fb32c5ad5c3f1f55dd2. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f282898d-2f08-43b3-a617-1e3c51840cc4.json and https://artists.proofprofile.net/proofs/artist/f282898d-2f08-43b3-a617-1e3c51840cc4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x18a84ae0f74cfc3f6409c90d396fe827964a02d280a6a6ce8d04ad8a2406e296","isrc":"QZMEM2244090","name":"La blanca y la rosa - Radio Edit","registered_at":"2026-06-04T12:34:37Z","spotify_id":"7hU4Iz66QtPiBdjM3icRLR","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18a84ae0f74cfc3f6409c90d396fe827964a02d280a6a6ce8d04ad8a2406e296. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7hU4Iz66QtPiBdjM3icRLR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7hU4Iz66QtPiBdjM3icRLR.
{"copyright_id":"0x05c5110423398949e253dbd4897b9290106f0dcea28cda7a25de06a9d3603afd","isrc":"QZMEM2244091","name":"La blanca y la rosa - Club Version","registered_at":"2026-06-09T14:02:32Z","spotify_id":"0TpWpaFi3dcFeFL9q4Fkae","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05c5110423398949e253dbd4897b9290106f0dcea28cda7a25de06a9d3603afd. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0TpWpaFi3dcFeFL9q4Fkae.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0TpWpaFi3dcFeFL9q4Fkae.
Cacao Live Show Caliente + Extra Edit (En Vivo)
Cacao Live Show Caliente + Extra Edit - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bf67461d1662ed463bb00523739ed199b6d2bc6a13caae813701158f241e62e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6z6MPO8bxSjQGRkKQCJmpm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6z6MPO8bxSjQGRkKQCJmpm.
Anthony Godfather - Caliente (Official versión)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4530f77c655a63dfc25d00e262524144d8e954dd7643f8e23472a27daf501be6. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6DhzZePUyCGw4cQ83LtGOI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6DhzZePUyCGw4cQ83LtGOI.
{"copyright_id":"0x91e26ebb5eb791b7b1f1147dbb449bb337623435c91465fbdb58249a26e2af6d","isrc":"QZFZ22422229","name":"Privity - Extented Version","registered_at":"2026-06-04T10:05:09Z","spotify_id":"6wR6WdlYHHWPbsq7MHye02","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91e26ebb5eb791b7b1f1147dbb449bb337623435c91465fbdb58249a26e2af6d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6wR6WdlYHHWPbsq7MHye02.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6wR6WdlYHHWPbsq7MHye02.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6f0bab2a472354bc70a45c7f662eaf7f0fdcd979ad7bffab0937c666598076b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0542JxLVszPrBSY80yIpNK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0542JxLVszPrBSY80yIpNK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b182cadc7250274a4813ef61d46a1d97315e893488e76d55620e6f37b61eb88. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4KmjhlJRfTeFNQbTw3RwSJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4KmjhlJRfTeFNQbTw3RwSJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x819dc4ed6261899879cbeb3e52319f185ab7b3db15a181b0c225e218d06133f5. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6uw4cxFvYa4I79hxefIm4o.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6uw4cxFvYa4I79hxefIm4o.
La Blanca y la Rosa [Andres Hernandez (ES) Remix]
La Blanca y la Rosa - Andres Hernandez (ES) Remix
Anthony Godfather, DEIA (Chicki Chaka) - Radio Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ca9453b587363150ad2fb1caeb7582a205c3856f9aa6dc3224d00f3e725650e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0og2LP2qSrSRpcDtTCJAf1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0og2LP2qSrSRpcDtTCJAf1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a871e4738cd0cd72fa4969c740b09716f6d48e85668e79e88f1fd6be687d72a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4A3KLIDInsrkyxgqqk9irn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4A3KLIDInsrkyxgqqk9irn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ca9453b587363150ad2fb1caeb7582a205c3856f9aa6dc3224d00f3e725650e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2CrFsYIAgwZWG6dXj5aDSE.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2CrFsYIAgwZWG6dXj5aDSE.