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 0x9fc49ce69af65578222c42b806cd79d42a606d131192e129f7568bb3d4756850. 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/92113203-0c0e-499a-a7b8-acf71ccce49f.json and https://artists.proofprofile.net/proofs/artist/92113203-0c0e-499a-a7b8-acf71ccce49f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x0944216cc971edfef00d237a0715caeaf511716ff2dc8d33b2125c14d928fd7b. 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/17hXyRO9bNwh45CHT4cQtq.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/17hXyRO9bNwh45CHT4cQtq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61d507ffb3986748dd4445cfe51880c2fe3cebc942277be4521cb899db6b9d70. 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/77vYYkz2aWg72mmJzE7FRN.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/77vYYkz2aWg72mmJzE7FRN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38a88124a73fceb9478c7859e355b091a085e9a83e91178c15c698692770a2bf. 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/3HX4PiVF3eFaIndH5ObRQU.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/3HX4PiVF3eFaIndH5ObRQU.
Conta As Tuas Culpas Pra Jesus - Instrumental Version
{"copyright_id":"0x01c3e70b63fda61db1bac7e0e7d8dd849997f52855348df487e4b48e0e1629c1","isrc":"BRMKP2400250","name":"Riqueza (Legado)","registered_at":"2026-06-06T06:11:21Z","spotify_id":"0H8W3JbnwHZXPh8xUUnzGr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01c3e70b63fda61db1bac7e0e7d8dd849997f52855348df487e4b48e0e1629c1. 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/0H8W3JbnwHZXPh8xUUnzGr.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/0H8W3JbnwHZXPh8xUUnzGr.
{"copyright_id":"0x01c3e70b63fda61db1bac7e0e7d8dd849997f52855348df487e4b48e0e1629c1","isrc":"BRMKP2400250","name":"Riqueza (Legado)","registered_at":"2026-06-06T06:11:21Z","spotify_id":"2IDdMq2CjaxBLaY6eQHiwm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01c3e70b63fda61db1bac7e0e7d8dd849997f52855348df487e4b48e0e1629c1. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2IDdMq2CjaxBLaY6eQHiwm.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/2IDdMq2CjaxBLaY6eQHiwm.
{"copyright_id":"0x6047b7f7c7482446b14628f6fe3daab3c42fba7b9ec98101c2fbcd50c4f56580","isrc":"BXECO2000002","name":"Autor da Verdade","registered_at":"2026-06-19T14:33:33Z","spotify_id":"52pQ8Rn1Gh7CPV4fyKVfrV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6047b7f7c7482446b14628f6fe3daab3c42fba7b9ec98101c2fbcd50c4f56580. 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/52pQ8Rn1Gh7CPV4fyKVfrV.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/52pQ8Rn1Gh7CPV4fyKVfrV.