Blief

Recording by José Luis Montón.

Recording identifiers

ISRC
ES90I1400048
CopyrightID (CopyrightChains transaction hash)
0xf0f6e49a9527c162652ba2eb5afca1966457abe1e9c070df1865c6e257325e61
Copyright registration time
2026-07-31T18:20:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:76a2691cb5f6e152029db988cdcb8448bf0b98b1d0c5d614914875b4bf25779f

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.