Six Preludes For Cello And Piano: I. Moderato Sostenuto

Recording by Leo Ornstein.

Recording identifiers

ISRC
US4QP0765501
Release date of the album this recording appears on
2007-01-01
CopyrightID (CopyrightChains transaction hash)
0x6109a79aae713a89ae0e43191bfa0d688cfcbef0d32bb94e6ba0d9c833774f3a
Copyright registration time
2026-07-07T13:51:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ca57318df7eee0e2a415ad37799d673d97dd8eaf9a40bead09fbaf9e4a619a88

What this proof establishes

This recording was released in 2007, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.