Entre la Espada y la Pared

Recording by Marcos Llunas.

Recording identifiers

ISRC
USA371268849
CopyrightID (CopyrightChains transaction hash)
0x72ff900c61e97764cf1f83ea06b7b65ad4b1961ee01c40083655c06134f51466
Copyright registration time
2026-07-04T04:47:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T12:58:18Z
Bitcoin block
957039
Canonical record hash
sha256:f802f36f69cfb7848703825f0e5c828471c73d39985c668923541d24c47ea23a

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.