Cello Concerto in D,H.VIIb No. 2: 2. Adagio

Recording by Joseph Haydn.

Recording identifiers

ISRC
DEF059803732
CopyrightID (CopyrightChains transaction hash)
0x59f46b76e9b33ccdd42dc9a6cd5015b4c379cd4ede8511660463615a2f86eb8a
Copyright registration time
2026-07-06T08:08:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:feb8f14a56cf704244afeb19946421521f34f53351e413974060fb1cab36d2de

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.