Maldito Blues

Recording by Joan Manuel Serrat.

Recording identifiers

ISRC
ES5021100914
CopyrightID (CopyrightChains transaction hash)
0x8cfbbfec8e646e6ccab56821c70ce463b24b44dbe5fc904c22d124c2cefb79d4
Copyright registration time
2026-06-18T17:10:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:66ee0e30aa5c062f497f556a78fce5fbc96395ae0512b2c517425488cc949c4d

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.