時の過ぎゆくままに

Recording by 布施明.

Recording identifiers

ISRC
JPPO00851040
CopyrightID (CopyrightChains transaction hash)
0xf2eacd3d83813c8d148648cf64c09ebe65e66edf807def6407e6c85d40fd4542
Copyright registration time
2026-07-06T10:00:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:50:41Z
Bitcoin block
957052
Canonical record hash
sha256:f0a513df239307feb32eb8d2f9c3f037994d9f39c4de24aa20cf970fbb10566f

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.