時の流れに

Recording by Takao Horiuchi.

Recording identifiers

ISRC
JPTO07911210
CopyrightID (CopyrightChains transaction hash)
0xaf444046c6fc7668d6693f2b649ea19bc263ff24c03188dc57d257d58b199a51
Copyright registration time
2026-06-07T16:39:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:2aa61d3693607e9cbaf55267ace6bef99b569cc8887de4005e7fb9efe96f5275

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.