波間にて

Recording by Ikuko Harada.

Recording identifiers

ISRC
JPCO00835450
CopyrightID (CopyrightChains transaction hash)
0x02263da2bb007aac42d14c0ba8bd23f86f765ab817765c2d6bc6d075120f56a0
Copyright registration time
2026-06-19T20:30:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:4ae5f328eb40204c02700c18784a66b355fb1ef7b3fe7041f9e50b1087c3d2d6

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.