Spencer Creaghan is a Canadian musician and film composer. Creaghan has created original scores for the web series Teenagers, television series such as SurrealEstate, and feature films such as Black
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 0x81a9c953b72b9af0613148af66ba514548252ed2616bcb2bcc10ea5e103d4208. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2c7201b5-b048-4f01-a20e-192329b6d090.json and https://artists.proofprofile.net/proofs/artist/2c7201b5-b048-4f01-a20e-192329b6d090.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Second Life (Original Motion Picture Soundtrack)
Nobody Famous (Original Soundtrack Album)
Black Water (Original Motion Picture Soundtrack)
SurrealEstate: Volume 1 (Original Syfy Series Soundtrack)
SurrealEstate, Vol. 2 (Original SYFY Soundtrack)
Motherly (Original Motion Picture Soundtrack)
Liminal (Original Motion Picture Soundtrack)
Sheila's Theme (From 'Quickening' Soundtrack)
Quickening (Original Motion Picture Soundtrack)
Goliath (Original Motion Picture Soundtrack)
SurrealEstate, Season 2, Vol. 1 (Original Television Soundtrack)
SurrealEstate: Season 2, Vol. 2 (Original Television Sountrack)
Last ExMas (Original Motion Picture Score)
Spaceman (Original Short Film Soundtrack)
SurrealEstate: Season 3 (Original Television Soundtrack)