Vals: No. 2, Las dos Hermanas

Recording by Francisco Tárrega.

Recording identifiers

ISRC
ITI890600317
CopyrightID (CopyrightChains transaction hash)
0x88413878102a990485675edfa17a5fc4e017ff6600d77b643e315fe0a251939b
Copyright registration time
2026-07-07T01:25:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e94f841e65641da2ee73505ad9094cafe3273cc44cfa3e8adbb4b76023abc38a

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.