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
2026-07-07T09:18:01Z
Bitcoin block
957020
Canonical record hash
sha256:5fd3b973f45117d374bf99349e36f8edbf6a59c4159c8f833e3626598c8636a0

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.