In A Landscape

Recording by John Cage.

Recording identifiers

ISRC
DEB331237810
CopyrightID (CopyrightChains transaction hash)
0x8babbf21c82e801bb5a08e13d110331aff27a4adb9f6d167800825bb17af4375
Copyright registration time
2026-07-06T20:29:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:cf7e8dc48b08a81d6288d117f0ef6373ece6772537d32d02047116ab996fff10

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.