あなたへ-旅立ちに寄せるメッセージ(アルト)

Recording by 筒井雅子.

Recording identifiers

ISRC
JPU971909071
CopyrightID (CopyrightChains transaction hash)
0xd9197361a32937922b27303c2279b69e2890df163c700369cf43ba0edc6723ba
Copyright registration time
2026-07-06T07:23:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T13:52:39Z
Bitcoin block
957043
Canonical record hash
sha256:1b240d21c778499b924ea5bfecdfafe5dff13f6586f551927855d144f4a5e639

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.