ISRC FRZ208402308
Verified recording
FRZ208402308 is “Mudarra: Libros de música en cifra, Libro III: Romanza II. "Triste estava el Rey David"” by Alonso Mudarra,
registered on the CopyrightChains blockchain with CopyrightID
0x6e053937f47d17dba00bb02b5a1bc36fb15b5c6e5c02345e80748fe0c2660c5d and independently timestamped
in Bitcoin block 960456 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208402308.
Recording identifiers
- ISRC
- FRZ208402308
- Title
- Mudarra: Libros de música en cifra, Libro III: Romanza II. "Triste estava el Rey David"
- Artist
- Alonso Mudarra
- CopyrightID (CopyrightChains transaction hash)
0x6e053937f47d17dba00bb02b5a1bc36fb15b5c6e5c02345e80748fe0c2660c5d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:57+00:00
- Bitcoin block
- 960456
- Canonical record hash
sha256:53d3f29266a31ccfe92abf87999fe1bd9f98ed612e0b694c0282c977c3bad4bc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208402308
- Bitcoin block existence check
- https://blockstream.info/api/block/960456
Full record
Track page: Mudarra: Libros de música en cifra, Libro III: Romanza II. "Triste estava el Rey David" · Machine-readable JSON-LD