桔梗が丘

Recording by Ken Hirai.

Recording identifiers

ISRC
JPBV01321217
CopyrightID (CopyrightChains transaction hash)
0xe833c00718717d38ab21a6e68e2e17f3807546a1c4256928c75772d049e00978
Copyright registration time
2026-06-21T10:39:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:21d92118d03fadb03a1e629cae11ebdc44d41c1c5503113a0594db49892089bc

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.