40 Hours

Recording by Howie Day.

Recording identifiers

ISRC
USSM10902292
CopyrightID (CopyrightChains transaction hash)
0x08f533a942b880d3ebb1d9f406e28f00f4ec10b14cb621c508ddc870225abf32
Copyright registration time
2026-06-26T09:30:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T11:34:59Z
Bitcoin block
956349
Canonical record hash
sha256:1b6b366828e6ca9cc11cd291c27f4a2f58b16273ddf12565cb2d8fe0e497d291

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.