Norma, Act I: Casta Diva

Recording by Vincenzo Bellini.

Recording identifiers

ISRC
GBAYC6000151
CopyrightID (CopyrightChains transaction hash)
0x1bbc529725348a7fcf1f4cfca94a0bc8f18ff7e594d4024ba3a253ee8daea50a
Copyright registration time
2026-07-31T03:40:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T04:14:58Z
Bitcoin block
960344
Canonical record hash
sha256:3f877d01219ee8ae4a7613bdaa7cf7bf601afcf02936ea26cc560d4c984f75cc

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.