In A Landscape

Recording by John Cage.

Recording identifiers

ISRC
DEB330284415
CopyrightID (CopyrightChains transaction hash)
0x51fd1471b3e802efd16d545db89d96b8e0df2c5ff70b6830314a1ef90838dbf1
Copyright registration time
2026-06-07T19:29:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:2ed316785bc3c9598846d448fb8e4ea99a92dcf59e109068e4b588cb32afc1e3

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.