Lagrima, Prelude

Recording by Francisco Tárrega.

Recording identifiers

ISRC
USX9P1014178
CopyrightID (CopyrightChains transaction hash)
0x4ed0f1f91ae35c76c2e02c932141723f02c26f5c7c6311afa4f820250fcccd7b
Copyright registration time
2026-07-31T04:42:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:17:02Z
Bitcoin block
960348
Canonical record hash
sha256:98ea4b69348539e95f9c9512d321a15211fe8393c08dae60717c49c6d34f79e7

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.