千載一遇の大チャンス

Recording by Hideakira Kimura.

Recording identifiers

ISRC
JPL802344010
CopyrightID (CopyrightChains transaction hash)
0x2b6bc117537d0608c15c5ccf447a49489433cc252ca3d7b3eeb4cabf7566c781
Copyright registration time
2026-07-06T07:49:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-13T07:53:33Z
Bitcoin block
957819
Canonical record hash
sha256:2cea985c20596eb22f2ab7e842f38d8ca5f9d57cd5c911510dcb037e254b21e3

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.