Estudio de velocidad

Recording by Francisco Tárrega.

Recording identifiers

ISRC
NLY331501616
CopyrightID (CopyrightChains transaction hash)
0x83d7a36c03f6c9af795fda390890843c75b1615a7de2a9c2a1009893e854c7b5
Copyright registration time
2026-06-21T05:06:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:ded2d4a3795e9e10eefe2bc32596177b067af15bf547e2e1526b63c5b529de93

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.