Suite No. 2, Op. 17: I. Introduction

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
FRZ148901020
CopyrightID (CopyrightChains transaction hash)
0xd50020ae5a3be44a97c4c07f4a5c5becd5f7a697ef63888a136297c4acbcd442
Copyright registration time
2026-07-30T12:45:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:48df5657a9182caf3ccb6b747d6c751da25e211d71819ddf316e2480a90c6e60

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.