La Banda Borracha

Recording by Alberto Cortez.

Recording identifiers

ISRC
ES5621600407
CopyrightID (CopyrightChains transaction hash)
0x17d814af715d16e6f4c92586f07703209917b5d7e49ac1027af850245e25a4b2
Copyright registration time
2026-06-09T10:55:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:882984171e8e5c3d5f3da7a0f74c9fef6de67ede5939fc9270c26ea4e4e13bee

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.