No. 2 in A Minor: Andantino sostenuto

Recording by Ferruccio Busoni.

Recording identifiers

ISRC
HKI191221602
CopyrightID (CopyrightChains transaction hash)
0x70f06a1f6cd86f2e2484bbe06fcd4d3ffafc04cc90a48c4d74edd766b622cc98
Copyright registration time
2026-07-06T05:05:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:262e4627e6c0add0c8ce6edd2333488ca1c8d8009fb888797dabeb59746de29e

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.