Pablo Sorozábal: Katiuska - Vivia Sola

Recording by Alfredo Kraus.

Recording identifiers

ISRC
GRHR11296305
CopyrightID (CopyrightChains transaction hash)
0xcc5ce02f010155c8636403f058ae36169af02c79fd45231c3afd1e32a530ec77
Copyright registration time
2026-07-07T22:48:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:da955919e320cadf9f29b9195e25c0c49d7a0bec665f4e6c4b3e347e5f55a9bf

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.