Requiem: IIf. Rex tremendae

Recording by Giuseppe Verdi.

Recording identifiers

ISRC
DEF058031413
CopyrightID (CopyrightChains transaction hash)
0xeb97f33ec654df2a75a202287e105ec49113d5cac250873745b37fdc34b49156
Copyright registration time
2026-07-07T08:22:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:80000900dd00c18e9f37af53d3e37f430213c16dc75850981fbb63893ead65cc

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.