Ten Preludes for Cello Solo: IX. Pizzicato – Arco

Recording by Sofia Gubaidulina.

Recording identifiers

ISRC
DEB330177516
CopyrightID (CopyrightChains transaction hash)
0x11d3fd8f139107380b7fcb61018fb7c25fd9567257901cb2fbd7febab0e2c579
Copyright registration time
2026-07-31T11:03:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:bc9dafe15a40393dd9bbc3cefc48cafa6b9db6d7626581a90c2d80a80e41b3ce

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.