砂に消えた涙

Recording by metro trip.

Recording identifiers

ISRC
JPB601881878
CopyrightID (CopyrightChains transaction hash)
0x48550b068ceadb5b826f8fdc3d80d3ac28e3b21ab8cfd40780219d9bde8abb75
Copyright registration time
2026-07-06T18:25:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6f757b45c2cb64ca292ca123ce7f6bb0f21c55d712513560a0d17abe136588c7

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.