Hartu Hitza

Recording by Fermin Muguruza.

Recording identifiers

ISRC
ES90A0900071
CopyrightID (CopyrightChains transaction hash)
0x1726f237b2d8f87b8f661d42277789202b4e23f026e41e44565625d3f545f4af
Copyright registration time
2026-07-29T14:55:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T15:22:21Z
Bitcoin block
960121
Canonical record hash
sha256:f96787cd5b2a9a3479bf8c04411e68755dd41a555154862e6eadebba88b9c3f3

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.