Cello Concerto in C, H.VIIb, No.1: 1. Moderato

Recording by Joseph Haydn.

Recording identifiers

ISRC
DEF059803721
CopyrightID (CopyrightChains transaction hash)
0xf715998567bc94c9c6bff5db5a0cc9c433e0eb5eb8726dd543c6a61903ebb161
Copyright registration time
2026-06-24T15:55:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:cdd1865765a0836f710fc2eb126fb83e8f099773b21f63a60da70fc7c3f23f6f

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.