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 0xc8145bd21643074000a3b3a94258cd41024e15dd550632ef15335d72d9633efb. Chain 2 (Bitcoin): anchored in block 953691 (2026-06-14T20:39:17Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6b17c34e-0186-4856-a112-9a4229de7bf8.json and https://artists.proofprofile.net/proofs/artist/6b17c34e-0186-4856-a112-9a4229de7bf8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Who Sank the Boat by Pamela Allen as a song Bath Time Story
Where is the Green Sheep by Mem Fox as a song
Simcha Raba Aviv Higia שמחה רבה אביב הגיע פסח בא
Monkey Puzzle / Where's my Mom as a song
The Very Hungry Caterpillar as a Song Musical Storytelling
Purim Song for Children שירי פורים לילדים
Mishenichnas Adar Marbim B'simcha משנכנס אדר
Purim Medley of Songs שירי פורים לילדים ברצף
Goodnight, Goodnight Construction Site Story Song
Edward the Emu Song / Musical Storytelling