Thirteen Harmonies: VIII. Harmony 14

Recording by John Cage.

Recording identifiers

ISRC
DEB161000312
CopyrightID (CopyrightChains transaction hash)
0x7faeb41f33dc681d1096d8182e2241a5cad7a75203eacc31bb0cf194e11c404e
Copyright registration time
2026-07-07T15:17:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:aa8a0b45a364089f06840986ad0e7c8e213c19f0f5dc4223284d7c96243f4d1d

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.