La mariposa

Recording by Francisco Tárrega.

Recording identifiers

ISRC
DEF058204470
CopyrightID (CopyrightChains transaction hash)
0xc524d2c06b0fd55c973559d229fd1478a1d8fe9ad64e21a6a1fa760a3d6d514b
Copyright registration time
2026-07-06T07:04:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:54:37Z
Bitcoin block
957067
Canonical record hash
sha256:5893e838c87203a9ab22ac3718cfd02f8292dab3734f11e190bd2066f34ef356

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.