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

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
DEF056002254
CopyrightID (CopyrightChains transaction hash)
0x1f0092532402bba6c07b78392e2e793a1394cd0a2f833d76308751da93f57582
Copyright registration time
2026-07-31T11:05:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:cb45da9daa3cedb060b3f1a4f2c09af4c2939db55b01c1600a093372b90e0ecd

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.