The Perilous Night 2

Recording by John Cage.

Recording identifiers

ISRC
US87H9110251
CopyrightID (CopyrightChains transaction hash)
0x3dabe6e77455325df621d04e0abb3d9b21c021e0f8d902d73d6c368d65916b11
Copyright registration time
2026-07-30T08:30:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T08:33:28Z
Bitcoin block
960231
Canonical record hash
sha256:56622bca98949cf9c2b392d0957c435f31efed02b713b9f672b8c4251a81343d

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.