Un Dia Redondo

Recording by La Guardia.

Recording identifiers

ISRC
ES5700700049
CopyrightID (CopyrightChains transaction hash)
0xafc50c3e5408e3020a5f3b46d9bae656039c5e88a321b346155fa4e7abbc7d6e
Copyright registration time
2026-06-06T13:45:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:90306f76491a981b03089b313d5bed42606c7b8019f224f8a4e1fdfe58814546

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.