半分のれん

Recording by 川中美幸.

Recording identifiers

ISRC
JPTE01808530
CopyrightID (CopyrightChains transaction hash)
0x8dc12e2df5990afbfd3375d6abb207384559d091c36734a2dc1a58127c8e284c
Copyright registration time
2026-06-24T04:09:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:12bd255fefaad02c7886051b3ce81dd214f0c976dfae4757973fb2b16d5b1052

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.