Experiences No. 1

Recording by John Cage.

Recording identifiers

ISRC
ITP901300020
CopyrightID (CopyrightChains transaction hash)
0xee2658250198678af328c3af094ac901cc4db94f1e08f23e9bc835ae976e7184
Copyright registration time
2026-06-20T03:10:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:2cc7754020020f3549249418af31a2ee914fc651c22cf088b7b3306d5a3315b7

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.