今日もうきうき

Recording by 水谷広実.

Recording identifiers

ISRC
JPI101302746
CopyrightID (CopyrightChains transaction hash)
0xf25931cfd16e4425a01585c8a88a9306e8c20e309b839c96eaa555b43a3fbbee
Copyright registration time
2026-06-23T10:58:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d5d70a4c70bb254fdd002a9fb0daad712dcd70a91623c8ce6eb601f3a68c14ae

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.