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 0x0b50ee986a1f94c266adcdffb67112403c4f27796fd05cf21f06d6e26bf0556b. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9de8ad60-70f4-474a-8c08-39c9183a7edf.json and https://artists.proofprofile.net/proofs/artist/9de8ad60-70f4-474a-8c08-39c9183a7edf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Scary Background Music: Horror Monsters and Nice Sprites Howling Sounds
Musica paurosa per bambini: Canzoni di Halloween 2020 per bambini
Haunted House 2021: Scary Electronic Music with Scream & Evil Laugh SFX
Horror Music Sound FX: Creepypasta Scary Armospheres and Songs of Terror
Creepypasta Music: Ominous and Scary Songs for Horror Stories, Night Terror
The Most Creepy Sounds: Viral Music for Horror Videos & Social Media
Musiche film horror: Ambiente dell'orrore e canzoni spaventose, magia nera per Halloween
Sociopath Dark Piano: Terrifying High Suspense Thriller Piano Songs
Spooky Glam: Iconic Background Music for Halloween Makeup and Costume
Canzoni film horror: Musica del terrore per scene di suspance e mistero, sottofondo musicale dark
Spooky Halloween Sounds: Scary Music for Epic Haunted Nights