Six Melodies: Melody 4

Recording by John Cage.

Recording identifiers

ISRC
DEB161000311
CopyrightID (CopyrightChains transaction hash)
0x12d2a3d96b382d20e4b2496b7ef23f00915f568c1148c1366b9d57f0556faad9
Copyright registration time
2026-07-31T01:35:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:74bc62c981eeca048485f38b5e31fdc96508fe79ca3417b8edf254a4291938d9

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.