乾杯

Recording by 友部 正人.

Recording identifiers

ISRC
JPS307300028
CopyrightID (CopyrightChains transaction hash)
0xe647954c343f605c70302b77f3c37b2ae0478504fc9768345ba2ae9681a508be
Copyright registration time
2026-07-07T06:15:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:31f23176fdfef85db210efac96a473dc7d9304be747913e70e21eec6197917a9

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.