Concerto for 2 Cellos, Strings and Continuo in G minor, R.531: 3. Allegro

Recording identifiers

ISRC

DEF058401893

CopyrightID (CopyrightChains transaction hash)

0x2796e21e426e870c433a04a3811b77bc2a0fff26f9a97decf2e6d9b93f31fc3a

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-08-01T00:10:46Z

Bitcoin block

960485

Canonical record hash

sha256:b60264784ddd5f0f56a79cca5159d100a7e317b0d24755f2c0aab26e34735815

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.