Preludio No. 1 En Re Menor

Recording by Francisco Tárrega.

Recording identifiers

ISRC
USX9P1014175
CopyrightID (CopyrightChains transaction hash)
0x80154a505b5e00d785a9b0f3794dcc1fb9e50377d2c9a5e05a0d1230d8dfcc34
Copyright registration time
2026-07-31T10:45:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:5eaf3184102bf1e666b8cfdbc7e6f8298ac89967f43de842d1330bf9028c0508

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.