La rosa oriental

Recording by Omara Portuondo.

Recording identifiers

ISRC
CUA011802706
CopyrightID (CopyrightChains transaction hash)
0x5d10cfd3df17145f7413d588f610b6fd379a518c2a5339d958653d2e5c35718f
Copyright registration time
2026-07-06T21:22:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:049404ae690cfb3b5bacbaf78df9b4af4e3face793cdd19bea3c673fb58375a2

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.