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 0x9b49747b56a01fbd970883033456d69abdbedb152e095e1b2f66a0867aa1047a. Chain 2 (Bitcoin): anchored in block 953791 (2026-06-15T13:40:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e0047cae-5a56-437d-9402-690a4bb2c3d5.json and https://artists.proofprofile.net/proofs/artist/e0047cae-5a56-437d-9402-690a4bb2c3d5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Scary Music for Suspense - Sinister Piano & Spooky Animal Sounds of the Night for Halloween Party
Evil Background Songs - Spooky Scary Music, Dark Ambient Horror Story Background
Horror Show Themes: Score Essentials for Halloween Gatherings & Movie Night
Ambiente de Chernobyl: Fondo de Música con Efectos Especiales para tu Fiesta de Halloween
2020 Halloween EDM Music: Scary Electronic Songs for Halloween Time, Eery Techno Music, Dubstep
Scary Night: Dark Electro Ambient Songs, Creepy Vampire Music for Halloween
Halloween 2021 Dark Ambient: Spooky Scary Skeletons & Sounds to Scare Kids