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 0xdd7957ccfed979934941ca1fc1115c2f22de3f416c7cad3393752365874ed4b4. Chain 2 (Bitcoin): anchored in block 953736 (2026-06-15T03:21:19Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/98fda6f4-ac17-46e2-bfeb-0bdd7ce01a77.json and https://artists.proofprofile.net/proofs/artist/98fda6f4-ac17-46e2-bfeb-0bdd7ce01a77.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Scary Night with Mysterious Fog & Sounds (Halloween 2017, Spooky & Terrifying Atmosphere, Music with Creepy Sounds, Real Nightmare)
Haunted Halloween Night: Scary Music, Pumpkinhead Horror, Pale Moonlight, Gloomy Evening, Witch Party, Thrilling Sounds
Haunted Halloween Night (Scary Abandoned House, Terrifying Chopped Up Horror, Fright Demonic Torture, Spooky Darkness, Creepy Evil)
Halloween Haunted Ceremony with Skeletons, Zombies, Witches
Creepy Haunted House & Scary ASMR: Halloween Mood and Ambient Dark Music
Scary Halloween Night: Music for Brave & Fearless People
Midnight Horrors: Spooky Month, Full Moon Black Ghosts in the Cemetery at Night
Dark Background Music for Scary Halloween Night: Creepy Sounds, Demonic Vibe, Spooky Forest, Haunted Soul
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe379c7132532bfe2f7c5d9765925f9290e213c836c07dbc4589659c1e7cf66da. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLS922093353.
Halloween in the Background: Spooky Sounds and Haunted World for Scary Halloween Nights
Cursed Halloween Soundtrack: Dark Ambient from Abandoned and Forgotten Places
Scary Sounds for Halloween (Dark House, Horror Music, Creepy, Scary Screaming, Spooky Nightmare, Dark Ambient Music)
Vintage Halloween Jazz for Kids: Sweets or Death! Halloween Kids Party 2022
Horror Songs: Ambient Dark Mystery Halloween Music 2022
Best Halloween Howls: Ultimate Creepy Effects, Horro Music, Haunted House
This is Halloween: Creepy Melodies for Spooky Atmosphere and Haunted Stories
Full Moon Spooky Night: Haunted Graveyard, Creepy Sounds for Halloween
Going Trick or Treating: October Autumn Night, After Midnight Haunting
Paranormal Experience: Halloween Recordings 2023
Halloween Horrors (Trick or Treat): Ultimate Soundscapes from the Shadows
Halloween Infantil: Música Engraçada e Assustadora
Sound Effects For A Terrifying Halloween
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ec39bffc32b0b2c89334f7575d5d1412052a94387914fcd82bf4f26821d81a0. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T05:40:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAWK52504337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f1170d5420e46a71940179bf6fa798b5bdef3e7178ed2d2489627ecfa08a5f9. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAWK52504338.
Paranormal Whispers, Evil Spirits, Screams & Haunted Sound Library
Screams & Creepy Haunted Forest Ambience
Creepy Paranormal Voices & Spooky Gore Sound Effects