Alegre petición

Recording by Septeto Nacional de Ignacio Piñeiro.

Recording identifiers

ISRC
ESAAI0156373
CopyrightID (CopyrightChains transaction hash)
0xc9dd0ad64c45104befcab782798237c8f1455b684541e9ab6d7105534132417d
Copyright registration time
2026-07-30T21:57:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T22:27:30Z
Bitcoin block
960321
Canonical record hash
sha256:c186152b6d8524c5ba84d23970a7469525ca434f07f1009e4726dd8a8ba9cc94

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.