Norma (1997 Digital Remaster): Casta Diva

Recording by Maria Callas.

Recording identifiers

ISRC
GBAYC9702225
CopyrightID (CopyrightChains transaction hash)
0x0a76d7fad859b8e519fab95eacf7d5de99aac7bcd341367caadf45e2cee2a10a
Copyright registration time
2026-06-04T15:54:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:666fc712c60b92fa0ca30bb7f811a03cad40d7ac57ed0ff892d11271d3c994ff

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.