過ぎた日

Recording by 冬野ユミ.

Recording identifiers

ISRC
JPJ822400047
CopyrightID (CopyrightChains transaction hash)
0xb92ff2ca979dff4bfc42aeccc1a45efa3ef4abef79d7895cf62106cdd212afb8
Copyright registration time
2026-07-06T09:57:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:0d3a5bfa54dff949dc152b0689c8a49a6e7604c7816ea2651680ba6a3a7e49da

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.