The Seasons: 5. Prelude III

Recording by John Cage.

Recording identifiers

ISRC
DEB330284405
CopyrightID (CopyrightChains transaction hash)
0x9b3516e14dd078e3355d77bf940c2099c4b902bd9b7d9045a4b2292bb7aa03ff
Copyright registration time
2026-07-06T09:37:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:41:13Z
Bitcoin block
957050
Canonical record hash
sha256:fd5c76f4a80d674fa0d2623ec45185b53f54fa8c7c903cc7b77e318f5726817a

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.