Interlude 2

Recording by Fritz Kalkbrenner.

Recording identifiers

ISRC
DEAF70937314
CopyrightID (CopyrightChains transaction hash)
0x73915b72815d04eca343510537559e745d7195583cc403844b1df7b9b3642e7f
Copyright registration time
2026-07-06T05:45:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:607ea1da25c3de9631eec6bc0d4a16dc5d9a2102f23b99181d8539e417fb9153

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.