Siboney

Recording by Omara Portuondo.

Recording identifiers

ISRC
USZZR0910866
CopyrightID (CopyrightChains transaction hash)
0x8277686a293394c310a187dd60142aadfd05421d264b39f3248bc2fd01ee09d1
Copyright registration time
2026-07-07T06:07:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4c36ad047e5e529a0f2ac553b61d445300d90a3615625f8a5905f7149af68e46

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.