Cello Concerto in D Major, Hob. Vllb: 2: II. Adagio

Recording by Joseph Haydn.

Recording identifiers

ISRC
ES5021600716
CopyrightID (CopyrightChains transaction hash)
0x30ed3ed5c953433838c423c049d874927df91d0a2cee456a90be74c195219d2b
Copyright registration time
2026-07-07T07:36:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3b86cd11ff0be31cd1eb58c0707d25b0fa35d3649afa46dcc460eb5e012a6b5a

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.