回想録 #1: resonation

Recording by Kei Matsumaru.

Recording identifiers

ISRC
JPB622201167
CopyrightID (CopyrightChains transaction hash)
0x9ee997fdb189965cb14e87f3be38ed57a4cea2b41fed2e3baf4cbbe899d924c9
Copyright registration time
2026-07-31T19:20:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13Z
Bitcoin block
960455
Canonical record hash
sha256:66efb46fcb2224d8520b9a06327c827051b4d442a1e5696bd0432d3f8d7f5e14

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.