冬の華

Recording by 川中美幸.

Recording identifiers

ISRC
JPTE02107140
CopyrightID (CopyrightChains transaction hash)
0xc237be34e717b04b172f2ac50468117528fb15940fd8c2d8911086d19c12e568
Copyright registration time
2026-07-06T11:07:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T20:41:57Z
Bitcoin block
957084
Canonical record hash
sha256:c050020e0f9183e979ddc2d0392579fc8fa3866998e263a9ce2672866efd6e60

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.