若気の至り

Recording by Yu Takahashi.

Recording identifiers

ISRC
JPWP01871259
CopyrightID (CopyrightChains transaction hash)
0x01b9122915fe26f0288706546db31f05354d1f8b5121e74615cb968224e0228a
Copyright registration time
2026-06-21T19:52:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:f572e9504f1cc77d7cc019a84dc3661742e65ce723cdb9dde233afa9ba2a9f9b

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.