サクソフォーン四重奏曲「陽炎の舞踏」

Recording by 八木澤教司.

Recording identifiers

ISRC
JPJ670902104
CopyrightID (CopyrightChains transaction hash)
0x57ba0e0446d9e9ab8097e56502a1860822cf06493a9ca7a5d5a1b3f9bb0e5dc7
Copyright registration time
2026-07-29T20:56:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47Z
Bitcoin block
960144
Canonical record hash
sha256:b814c04e4d050472de9f06a8b0785a8be2d5d3d24518767d304c03bbcecc0f67

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.