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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac435ea301263be74675401b345a74b00b3c8fe5efa7d230becfb34f8f5d26d7. Chain 2 (Bitcoin): anchored in block 953777 (2026-06-15T11:52:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ce02eceb-d64f-4658-ace5-29b7f196c88a.json and https://artists.proofprofile.net/proofs/artist/ce02eceb-d64f-4658-ace5-29b7f196c88a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Krasota & gordost balgarska - priroda & bit
Krasota i gordost balgarska - Priroda i bit
Krasota & gordost balgarska - kultura & istoriya
Dök Zülfünü meyoana gel / Tanburi Mustafa Çavuş (Ottoman)
Kadona sedi v bachona (Montagnes Rhodope Bulgarie)
Berceuses: Hajda lilibe (Roumanie Moldavie) / Fúdd el jó szél (Pusztina) / Szundi szundi virágszál (Yidish)
Taksim & Gulubovska Ruchenica (Danse de Trachea)
Moma e moma rodila (Montagnes Rhodope Bulgarie)
Intro & Slivensko Paidushko Horo (Thrace Bulgarie)
Segélj el uram isten (Chanson de Mariage) [Chant Tsigane Hongrie]