Antony and Cleopatra: Act I, Prologue

Recording by Samuel Barber.

Recording identifiers

ISRC
US4QP0632201
CopyrightID (CopyrightChains transaction hash)
0x1b0f65087eb61456785dd64d63bdda818369b2347a7dc6b37bc9853bc9b6c1dd
Copyright registration time
2026-07-07T17:36:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:67c47605f94830b31f9dbcdb40267721671855bc419118133f9226527c1ca625

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.