Butterfly Walz - Schmetterlingswalzer

Recording by Matthias Köbler.

Recording identifiers

ISRC
DEW911115806
CopyrightID (CopyrightChains transaction hash)
0x6934814c2c6e614e191da80e70ee818c1e8850bcc996e704f28fa5877474a1a6
Copyright registration time
2026-06-21T10:04:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:769151ad1140445a1ac15c99270c5a01d1fd7e6d6cc0a91e8cc5a40ba7c0ef1e

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.