The Perilous Night 5

Recording by John Cage.

Recording identifiers

ISRC
US87H9110254
CopyrightID (CopyrightChains transaction hash)
0xda7665453c2f93082c8a1962a9660efb8a7c3c999b421bb6032552770c73d8c9
Copyright registration time
2026-07-31T01:56:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:53967531216e8acb69380e7fc95c503672b6ac49d778df38ccffaa41d3bd2898

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.