Ear For Ear (Antiphonies)

Recording by John Cage.

Recording identifiers

ISRC
DEB331237805
CopyrightID (CopyrightChains transaction hash)
0xfc6b2eb70e31324ed0d1c95adce67755f1a442d0ba1f9a14757886d6acd08432
Copyright registration time
2026-07-07T18:01:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e8938c578473582800dc8f94bcb0b7e50ff826722f2ddda79090984211c51637

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.