Master Of The Butterfly Knife

Recording by Nicholas Britell.

Recording identifiers

ISRC
GBUM71807668
CopyrightID (CopyrightChains transaction hash)
0x70864f584e5258a167152b3187d985a9b3517880b5c099d4b027ef48b236f1a9
Copyright registration time
2026-06-18T20:29:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:09ce8f1019b36e109ce3cd8d289166926e76847fb0d256ef1f989791d591bb24

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.