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 0x333b1826e4ad8cb5c9a2cb834fca4ce00bd40aaa90c2fd43cb608ddc6daa9dd8. 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/684bb37e-30d4-4e33-8e75-617585e81cd8.json and https://artists.proofprofile.net/proofs/artist/684bb37e-30d4-4e33-8e75-617585e81cd8.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 0x2b188fb39b8ed37e2d3533b673ce622c2f96e7e17a2d28f33d1641daa1490a1a. 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/1Ez29iqNWI7NfqkLdf15kY.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/1Ez29iqNWI7NfqkLdf15kY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x615a1da413809aefc9c07ecfc80754d07d9d5c4830a34ce9828d0b22a88b89bf. 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/1BbpTDZiHZx6leIBqIylUs.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/1BbpTDZiHZx6leIBqIylUs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc33b5e468f590c4e906273c4f7be7cb568b90cbf4048934da5188984e92b4366. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2MZIgQDfa8UnhQdoSNNtNa.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/2MZIgQDfa8UnhQdoSNNtNa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc33b5e468f590c4e906273c4f7be7cb568b90cbf4048934da5188984e92b4366. 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/6dGWnRDH1QeWznlnsiJCXT.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/6dGWnRDH1QeWznlnsiJCXT.
DONT BELIEVE IT (Feat. ATL SMOOK) - Bonus
{"copyright_id":"0xbd29ece0ecbf103ffb6491658862cf93e785c315d05946accca9c970f33912cd","isrc":"GBMYF2200119","name":"R&B LOVE","registered_at":"2026-06-17T03:53:01Z","spotify_id":"0uJrTAkzmpIAB2btDw8tTs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd29ece0ecbf103ffb6491658862cf93e785c315d05946accca9c970f33912cd. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:29:37Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0uJrTAkzmpIAB2btDw8tTs.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/0uJrTAkzmpIAB2btDw8tTs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f0e14c2e48e9330a06b328b30ae2c76672dd1e46da30b86e03bd79629d9cc45. 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/5K06WM2Lmu37JVWkOJN3fO.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/5K06WM2Lmu37JVWkOJN3fO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f67b7474fb58bab7667ea88cc525a102776bc71fa414b8efaf7406816a867dd. 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/2TCmNVrlEf9nNEG7XIUNt1.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/2TCmNVrlEf9nNEG7XIUNt1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79a5f43004ce89d1fa8d1f3ed83cb15025402533940e6a63cdb727391d7ab5dd. 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/45MwJktoaBfBUnyTOB86ue.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/45MwJktoaBfBUnyTOB86ue.