六段の調

Recording by 鳳月さとわ.

Recording identifiers

ISRC
JPKI01710775
CopyrightID (CopyrightChains transaction hash)
0x6bc623aab58f0517b5d1a0c887c56d1be17bcc8d329736d879237ffac39c2463
Copyright registration time
2026-06-18T10:32:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:6ef4a399873f2e6f88ad31986238ef7e36b60fbdffced222a13bddde8f7f8fe0

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.