Cage: Swinging

Recording by John Cage.

Recording identifiers

ISRC
GBAYC2301266
CopyrightID (CopyrightChains transaction hash)
0x67855682337524053e489141c6570524faf00ac0747795e3c68542010576e234
Copyright registration time
2026-07-06T05:32:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:e511f4e82b997ba6aa6352efd0e22ef577eb2530651b89ecd2ddbc4e7a9089e6

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.