Off to Valhalla [4m33] (Bonus Track) - Demo

Recording by John Powell.

Recording identifiers

ISRC
USQ4E2101399
CopyrightID (CopyrightChains transaction hash)
0xa08e0700bafd86a93ac64981d6a8d0cdd265e785d27cf11a666c336eb48b8e7e
Copyright registration time
2026-06-20T08:05:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a4c39c6fb373a748f5a10c0ebd250f912eaf782605cc3b5983063546d655d3db

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.