Cage: Prelude for Meditation

Recording by John Cage.

Recording identifiers

ISRC
GBAYC2301252
CopyrightID (CopyrightChains transaction hash)
0x6808975d231ad7bdafad21858fb525dba0012d9ba46ece410627061bef136555
Copyright registration time
2026-06-21T00:06:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:41d8c8746417c1f735cd708b8eb92234079b6f09b19ed26044eb0b08bf935c69

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.