Cortesana

Recording by Alfonso Ortiz Tirado.

Recording identifiers

ISRC
MXF010001759
CopyrightID (CopyrightChains transaction hash)
0xc01ba2b6775995985a86b2f5ce900822a48cfe41c7665a3f3cd4c0b022267630
Copyright registration time
2026-07-30T12:34:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T12:45:34Z
Bitcoin block
960258
Canonical record hash
sha256:0aa286e0ac1579c8322adfff5cd8e621836af06d715e074b19ef88989f0149bc

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.