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 0x3998eff726f67500e02924e68b08141e1bc18af817ca035464bf98770c5bfa9e. 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/a8966b55-1f44-48e8-918b-8b1f0ad34171.json and https://artists.proofprofile.net/proofs/artist/a8966b55-1f44-48e8-918b-8b1f0ad34171.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
If The Sunrise Dye This Room, Let's Drink It!
Black Philosophy Bomb (Calendula Version)
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 0x020e79baf3ca087b4f45fdf8d7e569ad4e77ddf6b4c08cf4331470cc45c6c443. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6GZzhKscY6TodtlFBA7UFt.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/6GZzhKscY6TodtlFBA7UFt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf32b39300bf2243770d4d577bb942f6c5d970e66f3a11f0a3f87243219e4e174. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5JWm5y37iC7kW0MF0XVZ80.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/5JWm5y37iC7kW0MF0XVZ80.
{"copyright_id":"0xafbc49df5bad1fcbf2dad32a43f1686ecb330999606390fa2e9c92285063e4b9","isrc":"JPWP02171068","name":"Re:Create of the Re:d (feat. 星熊南巫)","registered_at":"2026-06-10T08:09:38Z","spotify_id":"3aN91nN1fF6JAQxVMSpHSH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafbc49df5bad1fcbf2dad32a43f1686ecb330999606390fa2e9c92285063e4b9. 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/3aN91nN1fF6JAQxVMSpHSH.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/3aN91nN1fF6JAQxVMSpHSH.
{"copyright_id":"0xafbc49df5bad1fcbf2dad32a43f1686ecb330999606390fa2e9c92285063e4b9","isrc":"JPWP02171068","name":"Re:Create of the Re:d (feat. 星熊南巫)","registered_at":"2026-06-10T08:09:38Z","spotify_id":"2X4DJnqN3nH9HuV57a1ZtR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafbc49df5bad1fcbf2dad32a43f1686ecb330999606390fa2e9c92285063e4b9. 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/2X4DJnqN3nH9HuV57a1ZtR.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/2X4DJnqN3nH9HuV57a1ZtR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ef77a06062c7e7934225bd06113ec75f47fdbe31ec9bfe4aa92d0c177b1ccd1. 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/6ecdsPGuG6q1j5JLX9TWsl.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/6ecdsPGuG6q1j5JLX9TWsl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x020e79baf3ca087b4f45fdf8d7e569ad4e77ddf6b4c08cf4331470cc45c6c443. 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/2eUHynpMoaQPBbBWtt0yYn.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/2eUHynpMoaQPBbBWtt0yYn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf32b39300bf2243770d4d577bb942f6c5d970e66f3a11f0a3f87243219e4e174. 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/7wT05vOCXad1TWs1cefJLb.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/7wT05vOCXad1TWs1cefJLb.