Blumenkranz:[nZk]ver.

Recording by Sawano Hiroyuki.

Recording identifiers

ISRC
JPE301302977
CopyrightID (CopyrightChains transaction hash)
0xe66de9d93d64a0214295045386d127cecdc2f4b2672e0199fa2a25de0c63d150
Copyright registration time
2026-06-08T10:47:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:600529a16f6a06fe0732d7bdcd708cc403cc8cb5eb9c9fb69c2e53187529c4f9

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.