20 horas de nada

Recording by Alex Ubago.

Recording identifiers

ISRC
ES5150801752
CopyrightID (CopyrightChains transaction hash)
0x1ff10eb9417f36652968e4f2bd5a7acafb201f32ed79bf71b1de860088b9b9d9
Copyright registration time
2026-06-09T10:06:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:f1dfa69f6718bd4b2893e0f8b65addc74e36ec6da063404a5e5bf9428064dd1e

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.