La Sonnambula: Ah non credea mirarti

Recording by Maria Callas.

Recording identifiers

ISRC
USX761423403
CopyrightID (CopyrightChains transaction hash)
0x2896297f9e21829a0fd77c1bd684c38adfda7b46a38ea9f67af5b80d27db52fb
Copyright registration time
2026-07-07T14:52:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:55ffbcd464cdf2389bb6e1c6ed24fecad35efb8f98b50aee333812d205db1199

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.