Solamente Una Vez

Recording by Omara Portuondo.

Recording identifiers

ISRC
ES7630601629
CopyrightID (CopyrightChains transaction hash)
0xe0137ee8846fa0e07729f495ed0874e14fb8dd2d561cedd88fc6655b362117da
Copyright registration time
2026-07-07T06:54:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:82bb366f692d01143062e501846852c548e780fdc31e2a2c95e38f402a6ca206

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.