The Seasons: 4. Spring

Recording by John Cage.

Recording identifiers

ISRC
DEB330284404
CopyrightID (CopyrightChains transaction hash)
0xf4cff15619149bdc40b4bd792934cc28af200a0d77b054c0794e5cd14731ac9a
Copyright registration time
2026-06-25T18:56:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:46896d3e1e554c41fbfdec7508c74054b7e0bbc5bd87b924265ae387e4dee8ea

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.