Eso No Lo He Dicho Yo

Recording by Omara Portuondo.

Recording identifiers

ISRC
PEMG91393005
CopyrightID (CopyrightChains transaction hash)
0x3277d05085366a960b71ec0e584b4240696743a597402765a4b6563de65a3195
Copyright registration time
2026-07-07T05:25:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:32b5881133751737f1136e2805d2fdc386543ea81057e06f96e2ad07f5ab6b06

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.