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 0x827c116b2706d7f79f71f9009a3464d6a2e7b92a6febed74aa0c05393dad7ec6. 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/65e798a6-22f2-40f1-b7e5-bff79a10a611.json and https://artists.proofprofile.net/proofs/artist/65e798a6-22f2-40f1-b7e5-bff79a10a611.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mal De Amor (feat. Servando & Florentino)
{"copyright_id":"0x4a75bd0c86b173192762db0851503e0fde342798d92b7a33ad4533e03283997f","isrc":"TCACF1560814","name":"Aquí Nadie Toca (feat. Mozart La Para)","registered_at":"2026-06-28T23:50:27Z","spotify_id":"7E50XVUBdU8aVvVG3cbrdD","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 0x4a75bd0c86b173192762db0851503e0fde342798d92b7a33ad4533e03283997f. 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/7E50XVUBdU8aVvVG3cbrdD.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/7E50XVUBdU8aVvVG3cbrdD.
Quiero Decirte (feat. Gustavo Elis & Omar Koonze)
Toy Enamorao (feat. Mozart La Para & Nacho)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb55e0a8fe7468178303408d06425ff77d2f507e7140283031650f9fa27bcbbc6. 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/74ySxdWAaNTGWSeR4d6Vmb.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/74ySxdWAaNTGWSeR4d6Vmb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9850d89f589c838264b9c6ab0e55fc981ce3521666fd7a856130ebc93af1914b. 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/3PzgfwAnjImZlTpdjLNquR.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/3PzgfwAnjImZlTpdjLNquR.
{"copyright_id":"0x02f06b043130fce51f79f26b68c2f3cce3c713fc52bad96a00979a7f36ee8c8f","isrc":"MXUM72004377","name":"Besándote - Remix","registered_at":"2026-06-19T12:32:35Z","spotify_id":"6oD2QDGNf62gIAQQ1Qi4Px","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02f06b043130fce51f79f26b68c2f3cce3c713fc52bad96a00979a7f36ee8c8f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6oD2QDGNf62gIAQQ1Qi4Px.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/6oD2QDGNf62gIAQQ1Qi4Px.
{"copyright_id":"0x02f06b043130fce51f79f26b68c2f3cce3c713fc52bad96a00979a7f36ee8c8f","isrc":"MXUM72004377","name":"Besándote - Remix","registered_at":"2026-06-19T12:32:35Z","spotify_id":"3BaIPZdBA91jVumuKC3VGc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02f06b043130fce51f79f26b68c2f3cce3c713fc52bad96a00979a7f36ee8c8f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3BaIPZdBA91jVumuKC3VGc.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/3BaIPZdBA91jVumuKC3VGc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe7e9c45d3935c9450d313fca5a347f36136d12cd932f39ba28c2b5aafa451ba. 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/0zD4Y0llpUb1LPL5OxdsTd.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/0zD4Y0llpUb1LPL5OxdsTd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x838eccf0fec05107374dd2e393ede94c370c647a225e2d44c6139b04c387a1d0. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5S5PQ5Ssp8wq1S46vEpHb0.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/5S5PQ5Ssp8wq1S46vEpHb0.