In a Landscape

Recording by John Cage.

Recording identifiers

ISRC
DEAR42071977
CopyrightID (CopyrightChains transaction hash)
0x259f372824c1040ac622457b8b08720f9475c95a0c40e2f7d90eca4340f464bc
Copyright registration time
2026-06-25T18:57:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:75b2daa11735f29397b1d96315f2f4d586224bc4e399428eedebdadea289918b

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.