Haiku 2 (What stillness!)

Recording by John Cage.

Recording identifiers

ISRC
DEAR42054028
CopyrightID (CopyrightChains transaction hash)
0x956f61107fbd982b80b822d518d6a9996d932fda9dfded83e3dc6b3d2e66426d
Copyright registration time
2026-07-06T23:26:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:74fdfcaa0e4b5b41b4de716984eb2fbad3158de9f704e86e86d31f39779b5a9d

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.