Intro

Recording by Fritz Kalkbrenner.

Recording identifiers

ISRC
DEAF70932125
CopyrightID (CopyrightChains transaction hash)
0x1b44781291274471d65fea156e97f1b96f5b97eebad2036a7dfd9b12b1ae0715
Copyright registration time
2026-06-26T10:48:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:8af80feae758e0fef6d5e180743325969a81efeaa331523b98943308f50a396b

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.