E-day Project

Recording by Kazumi Watanabe.

Recording identifiers

ISRC
JPCO07903240
CopyrightID (CopyrightChains transaction hash)
0xf2c932b90991e3c1396971bdbbd3914b15f84eb0e654edf478bd7c40ea09baae
Copyright registration time
2026-06-23T05:37:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7db8e5c17057aa6f64b568a57068cf10c6137e8e60398a9f23a768ff6bdae4a9

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.