Ephemera

Recording by Yoko Kanno.

Recording identifiers

ISRC
JPVI09815270
CopyrightID (CopyrightChains transaction hash)
0x99d533b6452f4836689f4ed5f130c604e184afc92d5ca815293292106acbde6e
Copyright registration time
2026-07-31T17:43:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:77982b61eebdef81432247e1ca55ab144a619df0dac68f40a72f6c422c0cd270

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.