Concerto for Cello & Wind Band: I. Ouverture

Recording by Friedrich Gulda.

Recording identifiers

ISRC
CH1260990105
CopyrightID (CopyrightChains transaction hash)
0x498dabf2647f2a948411944c1a4300e1105e05de22625689c1bdb99f62af4df0
Copyright registration time
2026-06-22T09:19:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:95319528dc884a44f4dc422a73935375b86225d7d893e5e215c9e0616dc022f4

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.