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 0x15740a3a1f1356dabeb55b787567bec40c5af5b3d4144df217c84bd67665a32a. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/76cc091c-ba3f-4a0f-86f7-54e97370eec1.json and https://artists.proofprofile.net/proofs/artist/76cc091c-ba3f-4a0f-86f7-54e97370eec1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Halloween Horror - Scary Sounds and Music
Halloween Horror Scary Sounds – Haunted House
Halloween Horror Scary Sounds – Torture Chamber
Halloween Horror Scary Sounds - Witches Den
Halloween Horror Scary Sounds - Werewolf Forest
Halloween Horror Scary Sounds - Dungeon Dripping
Halloween Horror Scary Sounds - Howling Thunder Storm
Halloween Horror Scary Sounds – Terror Mix
Halloween Chopped Up - Scary Horror Sound Effects
Marley's Footsteps - Horror Sound Effect
Ghost Twins Singing - Horror Sound Effect
Bubbling Witches Cauldron - Horror Sound Effect
Dracula's Stage Coach - Horror Sound Effect
Drowning Underwater - Horror Sound Effect
Creepy Grandfather Clock - Horror Sound Effect
Frankenstein's Monster - Horror Sound Effect
Laughing and Cackling - Horror Sound Effect
Halloween Party - Scary Sounds for Halloween
Haunted House - Halloween Party, Scary Sounds for Halloween
Werewolves - Halloween Party, Scary Sounds for Halloween
The Cemetery - Halloween Party, Scary Sounds for Halloween
Halloween Party - Scary Background Sounds: Castle Thunder, Howling Wind and Dungeon Dripping
Poltergeist - Ghost in the Machine: Scary Sounds for Halloween - Single
Poltergeist - Ghost in the Machine: Scary Sounds for Halloween
Bone-Chilling Hymn Rises at the Old Mill
Starless Chapel Fades in the Forgotten Vale
Midnight Tower Howls in the Shattered Chapel
Shattered Bridge Devours within the Broken Castle