Ophelia

Recording by John Cage.

Recording identifiers

ISRC
DEB330284416
CopyrightID (CopyrightChains transaction hash)
0x70d01b57888a309004acd52fa5b870224d5d485e16ff00674be3da21cc3f5758
Copyright registration time
2026-07-30T00:02:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T00:16:15Z
Bitcoin block
960175
Canonical record hash
sha256:41484a68ea213f139f762cd42cdae80947fb040262d85e71c285e9e22876738f

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.