Pacto Entre Caballeros

Recording by Joaquín Sabina.

Recording identifiers

ISRC
ES5028700052
CopyrightID (CopyrightChains transaction hash)
0x18b67c9b102ac653b80f0585eb16b5da6d2e1c55c6996ecb8e915b7431cf7796
Copyright registration time
2026-06-04T16:03:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:b9d57e22b3f1017efd95effb0b507710b91e48c45c436cfa83a255303bff34fb

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.