Ten Preludes for Cello Solo: IV. Ricochet

Recording by Sofia Gubaidulina.

Recording identifiers

ISRC
DEB330177511
CopyrightID (CopyrightChains transaction hash)
0x153027abecfcff7fec8f0494a052a2295f7372d0739570ea8b9514ffafb1e8d1
Copyright registration time
2026-07-31T17:01:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52Z
Bitcoin block
960441
Canonical record hash
sha256:0ffd8f8696c71a95f911e8da438c9b7a4bcf002bbf7cbbb56ba281e215b9c36b

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.