Imaginary Landscape

Recording by John Cage.

Recording identifiers

ISRC
USA371079611
CopyrightID (CopyrightChains transaction hash)
0xaded47e51cdacf03c6ff13d753d196ea1496b4cc421b3affeafd6d085c7684ec
Copyright registration time
2026-07-31T16:37:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52Z
Bitcoin block
960441
Canonical record hash
sha256:ccbf78579dc56d0c3fa3c85bbb4f6d89ca902933658df84ab677a8fc5fe09308

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.