Concerto Grosso No. 1: I. Preludio

Recording by Alfred Schnittke.

Recording identifiers

ISRC
UK2Y21901931
CopyrightID (CopyrightChains transaction hash)
0xdbd9f6fc3892bd4a86b0c2499715cea7e647b45976d1612668ea1b2e59a5b4dc
Copyright registration time
2026-07-29T21:47:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:57:12Z
Bitcoin block
960153
Canonical record hash
sha256:4e670b923e6f44520fe130d6f729016a600770e6141318102779a594e6bf6843

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.