III. Finale. Alla breve

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
HKI191803303
CopyrightID (CopyrightChains transaction hash)
0x3d21c750613929c9d265918a9b63657b63c6b408295be7ecec6d9d9a8a76a995

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:b410f162a9d98ef6c60d876589f949fc1f27ecd8a08f4af406ada679efd7dbb5

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.