Violin Concerto in D Major, Op. 35: I. Allegro moderato

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
FRZ131218010
CopyrightID (CopyrightChains transaction hash)
0xb7f928808520a9d8b43befbb3a0baceae70af9f76bb789af7ab87a274ee4251d
Copyright registration time
2026-07-07T17:45:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d4beb76bf47c911d074b841e400e84ec0809e9fe9b0e2c6d3c7026857c8c9c18

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.