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 0xca067ab88e5e5cdfbbeb8b55bff14aae25b6e67e4ed858108e66cc64fe35ab54. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6a3e1674-1396-40fb-a9f2-4042dd64a954.json and https://artists.proofprofile.net/proofs/artist/6a3e1674-1396-40fb-a9f2-4042dd64a954.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Katt Williams: The Pimp Chronicles Pt. 1
{"copyright_id":"0x34408746c9effcbd8ee03e36298fa354395fc0d26b55689c1e3ce73ecb6bc498","isrc":"US85P1214907","name":"Waiting For Katt","registered_at":"2026-06-29T10:37:00Z","spotify_id":"21JkM2mbPmQJVSQ8egNhrW","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 0x34408746c9effcbd8ee03e36298fa354395fc0d26b55689c1e3ce73ecb6bc498. Chain 2 (Bitcoin): anchored in block 956383 (2026-07-02T18:11:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/21JkM2mbPmQJVSQ8egNhrW.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/21JkM2mbPmQJVSQ8egNhrW.
3 R's (Religion, Relationships, Rithmetic)
The Block Brochure: Welcome To The Soil 3
Intro (feat. Alex Santos, Valentino Santos & Solano Santos)
{"copyright_id":"0x123ed40cb5c5e3a7694dd7911d00dbd0cfab2b802725fa06b402dbf8ffcaeb65","isrc":"USSD12200779","name":"Intro (feat. Alex Santos, Valentino Santos & Solano Santos)","registered_at":"2026-06-04T15:56:20Z","spotify_id":"1O5HGqTyQwb0N87beG7mLC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x123ed40cb5c5e3a7694dd7911d00dbd0cfab2b802725fa06b402dbf8ffcaeb65. 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/1O5HGqTyQwb0N87beG7mLC.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/1O5HGqTyQwb0N87beG7mLC.