Gran Vals en la

Recording by Francisco Tárrega.

Recording identifiers

ISRC
ITLF52311626
CopyrightID (CopyrightChains transaction hash)
0xd62496c600a2a9385a6da308a1e84d3324cdf055de4e48e46f0f38003d19dc6b
Copyright registration time
2026-07-07T04:43:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3ed33259cc9eb0024b9b46ea8282afc2ea65cfe20e8b9d26b7cd7f07c9e9e68e

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.