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

Recording by Sergei Prokofiev.

Recording identifiers

ISRC
NOEHX1610200
CopyrightID (CopyrightChains transaction hash)
0xdae58f174dd2c88cb1a11cb4f9214f2d27e7934b460ff4359785885b82ad0b25
Copyright registration time
2026-06-25T22:46:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:7a778648fd1ef635891c084d8e8031cd12cb89114a5e8379ca7d65c18c05edd6

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.