Triple Concerto in C Major, Op. 56: II. Largo -

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
GBBBC2400242
CopyrightID (CopyrightChains transaction hash)
0x8bebbffc8df96a6d48164970e762b4cd268dc91e1d87234f8442a4e1166f6838
Copyright registration time
2026-06-19T09:48:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:67389c3797f72b5bb900098acf2bc1f89d151d8ce7d3354f6e44cb9e44bcbcfa

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.