Mysterious Adventure

Recording by John Cage.

Recording identifiers

ISRC
HKI190020411
CopyrightID (CopyrightChains transaction hash)
0xb483b479ad8cf0cd26e42f5d53f97d0d324bcb0f205ec32f498e13556a133c2e
Copyright registration time
2026-07-07T13:23:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:45098ee5f4312342f61c521eea9f1d4b2d257f1d23a826fbdcac6c49444f7b7d

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.