Puzka

Recording by Fermin Muguruza.

Recording identifiers

ISRC
ES90A0900059
CopyrightID (CopyrightChains transaction hash)
0x86b3cc2b3a023b7524f154f5947b8fb72a0c8e84d5e853d72bb7b1e89b238817
Copyright registration time
2026-06-23T08:11:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:b6ca8b5c690011dd1e15e970bc9dc7b1a5451ce9c49ded941d36ac3f150cde28

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.