Betrothal in a Monastery, Op. 86: Introduction

Recording by Sergei Prokofiev.

Recording identifiers

ISRC
UK2Y21303655
CopyrightID (CopyrightChains transaction hash)
0x7adb704fe11e47e2b68788c81b0bcfef95deb8d149fd9bfc5530d082bd4187a0
Copyright registration time
2026-07-07T11:24:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c5139829cb2bc9b91e56e2d5e978d3f69948c309cd560bc3c4635ed68e5b41b6

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.