Prelude in A Minor

Recording by Francisco Tárrega.

Recording identifiers

ISRC
USBC10100491
CopyrightID (CopyrightChains transaction hash)
0xe86754e0517f27267083ebf74094050a75e9d8aebfae772ff45d1f00d0bf3b6c
Copyright registration time
2026-07-31T10:04:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T10:20:10Z
Bitcoin block
960389
Canonical record hash
sha256:bb951cea4646989a9e4b4d8483edcccd19f076cbe96adc7ef826bf8d82aa94d7

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.