Madrid

Recording by Juancho Marqués.

Recording identifiers

ISRC
ES71G1514765
CopyrightID (CopyrightChains transaction hash)
0xd024776cd3b2081f8a194c2eca67123786812933e243c94f61afbb669bc228b4
Copyright registration time
2026-06-11T16:46:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:f3b4c81ba1b66a5b4b444b8f6319098006caf95494c9306a9a9bd1be3b6d39a2

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.