Cello Concerto In C Major, Hob.VIIb:1: 2. Adagio

Recording by Joseph Haydn.

Recording identifiers

ISRC
DEF056703082
CopyrightID (CopyrightChains transaction hash)
0x8aae4e4c56cab9760fb62cff1665b699a9f30bdd3a1787509059d95c21463f5a
Copyright registration time
2026-07-07T15:00:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d0997ee6ce9cdf9d4a35a1f004d30b6a5d7df293775f84c88358969177560f5e

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.