Attila, Act I: Uldino! Uldini!

Recording by Giuseppe Verdi.

Recording identifiers

ISRC
GBAYC8900920
CopyrightID (CopyrightChains transaction hash)
0xbcd17c6b0ec4039263c84d8b255f80b9d4ab75fff0cce37f635606a879de5586

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:c61a71d002a3db09dce25e9e4b7eab809477cf53594bbaff8f26489602f0d694

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.