Prelude in F Major, Op. 2 No. 1

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
GBAJY0337601
CopyrightID (CopyrightChains transaction hash)
0xe36f05a21059a18420b266997769872683cbf6ac33094a1f396357ca5eac880d
Copyright registration time
2026-06-25T14:24:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:e20a18e0b46341f4892add4163353f2ae71064a3df515fa636fa256f6b2eebba

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.