Quen Bôa Dona Querra Loar

Recording by Alfonso X El Sabio.

Recording identifiers

ISRC
FRX451568624
CopyrightID (CopyrightChains transaction hash)
0x1bb84e0ae277cb83a19bc439c4f423216c3fccab60d2c9ce6d22cc8467bdc46e
Copyright registration time
2026-07-31T06:25:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T06:42:11Z
Bitcoin block
960360
Canonical record hash
sha256:5096288bb5955e8eb8b305b7a747b4f96337a96afd8c85d35400406fc64141c8

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.