Romeo and Juliet, Op. 64, Act I: Juliet’s Variation

Recording by Sergei Prokofiev.

Recording identifiers

ISRC
NOEHX1610140
CopyrightID (CopyrightChains transaction hash)
0x40eb49e5f8b4a99df07c2a95ab9f8060ad8e9d9b17916a6332af9a83f9d8fe2b
Copyright registration time
2026-06-09T18:50:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:cfd3dbfedd5cca1753dfbc14f0968fd256ec0aea180db0093db59d28c57838f1

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.