Metamorphosis: V

Recording by John Cage.

Recording identifiers

ISRC
DEB330284414
CopyrightID (CopyrightChains transaction hash)
0x334a64fc306d24d0e285ca72502a0cac5cd8bd3b6b572429875387cc884f16ac
Copyright registration time
2026-07-06T22:09:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:149658ebd5d14960aa6271f1f8f1f0cac911f7280e5194fa16bd70d5807ae278

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.