In a Landscape

Recording by John Cage.

Recording identifiers

ISRC
DEE471900425
CopyrightID (CopyrightChains transaction hash)
0x8fde2d5c40d23e5c69e16ec976fafde9ba652a818d34a9498f5810f3c3908fa4
Copyright registration time
2026-07-07T11:10:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:86b0ed3466c4a8dd8e68b38325aeb6c698ec063dbb48e809ea5ffe768bfe0999

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.