Haiku I, for My Dear Friend, Who

Recording by John Cage.

Recording identifiers

ISRC
DEAR42027868
CopyrightID (CopyrightChains transaction hash)
0xe1fe6ce56447288e7e92fff1cf6f3e36d569f78a055ed3f0bc2241eab330e6cd
Copyright registration time
2026-07-06T20:28:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4d1bcd99e59e8117a4cc966da313cc7c5e0abee5eb6aa06c832a58ed607ccc30

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.