Cage: The Unavailable Memory Of

Recording by John Cage.

Recording identifiers

ISRC
GBAYC2400398
CopyrightID (CopyrightChains transaction hash)
0x5353ddb8547240deb7fb5e263f94873137a0ab21e54b68e5bed807029724f4c4
Copyright registration time
2026-07-06T18:08:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T09:18:01Z
Bitcoin block
957020
Canonical record hash
sha256:ce4949ec67ba13666e99448af9fa59675338958a90fac2e29334c3464d1c52dd

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.