静かな曲

Recording by OKAMOTO'S.

Recording identifiers

ISRC
JPI540900175
CopyrightID (CopyrightChains transaction hash)
0x8e5cc9d73827c91db1ff38db9e2236112fde09f8329599ebc1658fc25c84b6bb
Copyright registration time
2026-07-30T21:50:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T22:27:30Z
Bitcoin block
960321
Canonical record hash
sha256:06d7237964e31d03ed6c9d5601e8eb1f0bfc6082f2cff638665d87dbd27d175e

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.