Cello Concerto in C Major, Hob. VIIb:1: Moderato

Recording by Joseph Haydn.

Recording identifiers

ISRC
PLC702416105
CopyrightID (CopyrightChains transaction hash)
0x6a5f25849d8432dfd11bcd7dd5ca000cae5fa83bb1b38b19a10105334818172b
Copyright registration time
2026-07-31T15:22:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:27:29Z
Bitcoin block
960422
Canonical record hash
sha256:a8a571df70bf1bbff726772224dd1d2c3ba1e2520744eb860a49e8533f5e71c8

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.