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Recording by Fritz Kalkbrenner.

Recording identifiers

ISRC
DEAF71490706
CopyrightID (CopyrightChains transaction hash)
0x2569f3860071048987c3f395006d5d464839e7bf63139bbcdd8587d92cb4c164
Copyright registration time
2026-06-04T12:13:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:746f2f263d16a0d6e24e526e2239139902235491ac17f861925e9e85710342e7

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.