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 0x823046c4570d6f5241a5eea7dbf77d382ba06fd9001cfb538211e72e3ae329db. 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/fd0dd6da-1c2f-4286-868c-cc22d5c75547.json and https://artists.proofprofile.net/proofs/artist/fd0dd6da-1c2f-4286-868c-cc22d5c75547.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x40b4b6d38d978306495c53beff088bf3fd7abc381af98b8877741f095face9df","isrc":"BRKO12400989","name":"É Rave Que Fala Né - Remix","registered_at":"2026-06-11T10:22:20Z","spotify_id":"5N0G9t7J2RDJYlK3uGwpi4","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 0x40b4b6d38d978306495c53beff088bf3fd7abc381af98b8877741f095face9df. 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/5N0G9t7J2RDJYlK3uGwpi4.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/5N0G9t7J2RDJYlK3uGwpi4.
{"copyright_id":"0xfd695304af9898e7c4121f38ba6571fd04ec1f1917107cb789bd8d376a75a996","isrc":"BC3PG2404198","name":"Corinthians É Religião","registered_at":"2026-06-20T06:29:08Z","spotify_id":"7mKQUk8oAJpDTpwUOSRpic","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd695304af9898e7c4121f38ba6571fd04ec1f1917107cb789bd8d376a75a996. 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/7mKQUk8oAJpDTpwUOSRpic.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/7mKQUk8oAJpDTpwUOSRpic.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8546e9d5321c9b7ae541b518a84f9b32d4e18e1cd2060a86181b1cffca507648. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3pmP9eSbfOwtJuJVDef0pv.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/3pmP9eSbfOwtJuJVDef0pv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef62bcbec0a86e5ba2168f7491d3d9cb08e857185a7349089553b561a1513ae6. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7j3z0wtPmbHeC3qRoYCdtt.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/7j3z0wtPmbHeC3qRoYCdtt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x837d900c8473b4aface0940474c9c31cca78afa0c102563acb39cad81b8c123f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6XfsAWH0ZBm5n3pRh6Gaw7.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/6XfsAWH0ZBm5n3pRh6Gaw7.
Playlist Do Mago 2.0 Quando Bebe Fuma, Quando Fuma Transa
{"copyright_id":"0xf7c83f707d8abe9f2f906030fbacfaf5a8077ad3c9ddd9e12a02b4c12577d063","isrc":"QZMZ92443239","name":"Playlist Do Mago 2.0 Quando Bebe Fuma, Quando Fuma Transa","registered_at":"2026-06-08T01:10:42Z","spotify_id":"533HtPLLbddvQIxIy9f2x6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7c83f707d8abe9f2f906030fbacfaf5a8077ad3c9ddd9e12a02b4c12577d063. 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/533HtPLLbddvQIxIy9f2x6.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/533HtPLLbddvQIxIy9f2x6.
{"copyright_id":"0x97ea6e5dda66979abcf4748422efc07bebedb0e8a22f81e0e99dd4490c91175c","isrc":"BRUM72301463","name":"Oi Oi Oi - Claudinho Brasil Remix","registered_at":"2026-06-05T11:46:03Z","spotify_id":"6FuOcA6JBGwIcXfrH40IGZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97ea6e5dda66979abcf4748422efc07bebedb0e8a22f81e0e99dd4490c91175c. 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/6FuOcA6JBGwIcXfrH40IGZ.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/6FuOcA6JBGwIcXfrH40IGZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4be6e89910b2980aa92552508ace35b12c64fc1762b9ca5491fc5bcc96b13c4. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2WPXH5QJc4rzCT7RlnD96K.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/2WPXH5QJc4rzCT7RlnD96K.
MEGA BOTA A PALMA DA MÃO NO CHÃO (feat. MC Hollywood)
{"copyright_id":"0x88b5a468376a778c084be53de83b647bfbd43029b150b3e7ac8d55f97d05a3c8","isrc":"ZZOPM2231147","name":"MEGA BOTA A PALMA DA MÃO NO CHÃO (feat. MC Hollywood)","registered_at":"2026-06-19T11:17:54Z","spotify_id":"2c0zMplCJZ4NzgwLGxlVEL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88b5a468376a778c084be53de83b647bfbd43029b150b3e7ac8d55f97d05a3c8. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2c0zMplCJZ4NzgwLGxlVEL.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/2c0zMplCJZ4NzgwLGxlVEL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe500c683bbcc3365c7e3fb64f4be83ffe84ec90f74e20e09367c2ccb4e0bfc2d. 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/1fn0416bV6PgBQW7WtG97v.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/1fn0416bV6PgBQW7WtG97v.
{"copyright_id":"0x94295410b4cb8a53ae58ec8c3acd8e565e78c8a4b3283e5db8a3b7690742729e","isrc":"USNRS2343106","name":"Lance (feat. MC Hollywood)","registered_at":"2026-06-24T13:15:22Z","spotify_id":"0h9IkSwScaaO5aMkE2O0EH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94295410b4cb8a53ae58ec8c3acd8e565e78c8a4b3283e5db8a3b7690742729e. 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/0h9IkSwScaaO5aMkE2O0EH.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/0h9IkSwScaaO5aMkE2O0EH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9211894e2bafd4068ee19545a220d48580818c4a20c910298e33c42c0e42cc00. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0OOcglCRJNgM6DdqGTEuAr.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/0OOcglCRJNgM6DdqGTEuAr.