Pionierchor des Zentralhauses der jungen Pioniere "German Titow" Berlin
{"copyright_id":"0x3e83b679071e2101955acadffd41a445f13948c2726287ce4606576a4cd41a7d","name":"Pionierchor des Zentralhauses der jungen Pioniere \"German Titow\" Berlin","registered_at":"2026-06-17T11:46:58Z","symbol":"NIM1385689","token_address":"0x74f570b1cf810cbd770d7e8c5e8ba9bb906883fe","type":"artist","uuid":"8478e41f-7cc3-4a18-bb11-b2d0ba26155d"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x3e83b679071e2101955acadffd41a445f13948c2726287ce4606576a4cd41a7d. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8478e41f-7cc3-4a18-bb11-b2d0ba26155d.json and https://artists.proofprofile.net/proofs/artist/8478e41f-7cc3-4a18-bb11-b2d0ba26155d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).