真夜中のバレリーナ

Recording by Kazuhiko Kato.

Recording identifiers

ISRC
JPSR08444340
CopyrightID (CopyrightChains transaction hash)
0x1f1064498bc3c559f4cc25c706d9d440596d3bebfd2c2870a7fe089f643209a9
Copyright registration time
2026-07-07T21:14:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:2d77c25a088cb6d7b79fe80adb8a8504720c8da5b942beaba89e77b65dc184ee

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.