Cello Concerto No. 2 in D Major, Hob. VIIb:2: II. Adagio

Recording by Joseph Haydn.

Recording identifiers

ISRC
DKBW52100108
CopyrightID (CopyrightChains transaction hash)
0x771db29b3e95078e465ba57f9102a938be04dec55634f0580830e4a371e06278
Copyright registration time
2026-06-24T11:01:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:e9f408b0731a8742c6f949de54b8f9e819843269d10289613853254ca7262c28

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.