LUMBERJACK

Recording by Yuji Toriyama.

Recording identifiers

ISRC
JPSR08805000
CopyrightID (CopyrightChains transaction hash)
0xfedd5b4b3636290189c05ec5b2b7d79720bc37ab82cf3ee392f9d59f5d5b20ed
Copyright registration time
2026-06-19T20:43:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:ce9d9a1bb4f307ee316c2eb6d2ea0a5da08ee1b029a59926a56b569519104d69

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.