Ballade in A-Flat Minor

Recording by Alphonse Hasselmans.

Recording identifiers

ISRC
USCGJ1424932
CopyrightID (CopyrightChains transaction hash)
0x20dfd75430bb4662574d678866408cec84f89724540364be65f135fa4b523a3d
Copyright registration time
2026-07-07T13:22:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1cd6f808e05cb12735608f46d2c2617027b45f67727de1a3f876abb0d9d7baf9

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.