Interlude 1

Recording by Fritz Kalkbrenner.

Recording identifiers

ISRC
DEAF70937313
CopyrightID (CopyrightChains transaction hash)
0x5fd895d2565248a20c8836cd3f7f205da65b50a66de84fe629c9cee4c8478d3b
Copyright registration time
2026-06-26T10:48:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:aaa7e5ebe975ced49e097e80d72f93ffadc9243a710f072b6e0a8b9cf5c51545

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.