Cello Concerto in C, H.VIIb, No.1: 2. Adagio

Recording by Joseph Haydn.

Recording identifiers

ISRC
DEF059803722
CopyrightID (CopyrightChains transaction hash)
0xb3f62b344ca415c2f2778850dbe8e538ace24f15dcdfd1e51f633ba963757075
Copyright registration time
2026-06-07T01:32:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:67977b9abc592c26acdabd4575771c73e50d9a964320a306fd2a278de9026702

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.