La Noia de Duro

Recording by Joan Manuel Serrat.

Recording identifiers

ISRC
ES5029600208
CopyrightID (CopyrightChains transaction hash)
0x37668f5f0adeaf83b49039ff6d01b7630962e3ae8e2edfc3c3c9df3334876870
Copyright registration time
2026-07-31T02:42:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T03:13:37Z
Bitcoin block
960339
Canonical record hash
sha256:f46a5903158e4c49b046cfd7d283fd3529f6367edd70008ae56b2e5b3bdbdca5

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.