五月の天の河 - evergreen ver.

Recording by Motohiro Hata.

Recording identifiers

ISRC
JPPO02100179
CopyrightID (CopyrightChains transaction hash)
0x62b76ba28c19238e9d0306d3571efacd2e5c5bfa5d08a61f2822d0d8c160f2d9
Copyright registration time
2026-07-06T18:54:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:59449e653181fece364bf00384896bac97f0c7c293807df732e2165a046bd555

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.