Umbrio por la Pena

Recording by Joan Manuel Serrat.

Recording identifiers

ISRC
ES5020000281
CopyrightID (CopyrightChains transaction hash)
0xe8d01603a6600c9639d49b17a76950640f3feb71adc2269d67001da2529162f1
Copyright registration time
2026-06-08T20:55:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:9c4aec6143d0c32b7877f24e6e341dde8172cc47c03753a86c1ab719db07c0da

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.