III. Allegro assai

Recording by Leopold Hofmann.

Recording identifiers

ISRC
HKI190041509
CopyrightID (CopyrightChains transaction hash)
0xf6022dcd922c3f698a6da7b32de9e827e1ae687fa1d203d02a892a0026f698f2
Copyright registration time
2026-07-30T17:10:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:23:26Z
Bitcoin block
960284
Canonical record hash
sha256:d43849023cee1f14b3aa00d4e2a07340802c39768db6c619aa965e1bd5bac5ad

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.