時の刻印

Recording by Takashi Kako.

Recording identifiers

ISRC
JPES09500441
CopyrightID (CopyrightChains transaction hash)
0x8cfe5f0d633eac1f3d521c387bfa1a6c06dfd166238b999bdb3921fc833fecb5
Copyright registration time
2026-07-06T20:41:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:63cb705f277ff88e98a3a5be1b2f68499b6d2565c9701c1d98f97df18f5320f5

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.