Marieta

Recording by Francisco Tárrega.

Recording identifiers

ISRC
NLY331501570
CopyrightID (CopyrightChains transaction hash)
0xbca669e29ee6706257cf7945234229585e96d64a8022f5faf468425810213ceb
Copyright registration time
2026-06-09T08:46:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:da84553af6fc84de77c2ecd2212bcea4b5bec1d6839d63c8bc4aff86393ec94c

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.