静けさの後

Recording by 小松未歩.

Recording identifiers

ISRC
JPD509801119
CopyrightID (CopyrightChains transaction hash)
0xf670488f8b9a1ff22e4d68409c660be1c0a5fe6191065c50b5c96e93cee2bb5b
Copyright registration time
2026-07-06T21:25:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:87f039e7e43cee4576244c3ae927df9944642d640219680daf7b0c83ba3c3d5f

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.