La cartagenera

Recording by Francisco Tárrega.

Recording identifiers

ISRC
NLY331501574
CopyrightID (CopyrightChains transaction hash)
0x9f46e0f670fde16a7b9e3d2d8d6a01d91f89b46c0f5b37893b7beea89ed39182
Copyright registration time
2026-06-18T00:45:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:e0d9884ae993ace682a78996d43d20ac1fd049935a731bd24ee66f8c20e622c9

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.