Cello Concerto No. 2 in D Major: II. Con bravoura

Recording by Leonardo Leo.

Recording identifiers

ISRC
CAJ720012602
CopyrightID (CopyrightChains transaction hash)
0x5e8e4bdd6c00e530c709d06790ea3b246433d6ef7dcd747afd60eb0e7c778c9d
Copyright registration time
2026-07-30T09:34:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T09:57:33Z
Bitcoin block
960240
Canonical record hash
sha256:950ca3e51b4300576a80464955e2a755eb4689865dfd5976a6fa7cd38fcbf5b0

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.