13 Preludes, Op. 32: No. 5 in G Major

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
US23A1552988
CopyrightID (CopyrightChains transaction hash)
0x9852a562254f31a3695d2ec11b390c527461ec5601f6b9509167a1094328c943
Copyright registration time
2026-06-22T09:44:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:2784c60ccf4ac64d31ef3bae9f80c7ec9419287ee5934e199a007816b0580600

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.