Vecchia zimarra, senti (La Bohème)

Recording by Cesare Siepi.

Recording identifiers

ISRC
ATP130664211
CopyrightID (CopyrightChains transaction hash)
0x3552e8c81bee925b751e20e9c3815914a714b69554f3ba14f68abeeac21efc3d
Copyright registration time
2026-07-07T08:28:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d5dd7c530f7a8dc6015a4bebc530709a1885fdb0764a2d366ec1967b820eccd2

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.