For Vince & Arif

Recording by Wolfgang Haffner.

Recording identifiers

ISRC
DEA891700355
CopyrightID (CopyrightChains transaction hash)
0xe0515f9211e459ec3591efbfa1435b5c5c1adbbc6b9d7ff66507b6c9502fbb0e
Copyright registration time
2026-06-25T09:49:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:24779ced07218317f999ed8570a5f0ff8435b63df02741407a6bb56803c6f515

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.