Blumenkranz<空OK>

Recording by Sawano Hiroyuki.

Recording identifiers

ISRC
JPE301400337
CopyrightID (CopyrightChains transaction hash)
0x20d39d9421eb653d010c7ca47f3a56878f9b095cfa225f0adb77b842653d792a
Copyright registration time
2026-06-18T13:01:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:ec73174a72e346c71d5a4f54b19fd4c9081f42e1187c9878ccf84ae6d94b716d

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.