ISRC PLB352128507
Verified recording
PLB352128507 is “Cantigas de Santa Maria, IA 1 (Excerpts): No. 323, Ontre toda-las vertudes que aa Virgen son dadas” by Alfonso X El Sabio,
registered on the CopyrightChains blockchain with CopyrightID
0x2f9af4f2a70010a2e8c238405cc58ff0b8aa6dbf16cfdc64fc939c66ff2eb09b and independently timestamped
in Bitcoin block 957122 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLB352128507.
Recording identifiers
- ISRC
- PLB352128507
- Title
- Cantigas de Santa Maria, IA 1 (Excerpts): No. 323, Ontre toda-las vertudes que aa Virgen son dadas
- Artist
- Alfonso X El Sabio
- CopyrightID (CopyrightChains transaction hash)
0x2f9af4f2a70010a2e8c238405cc58ff0b8aa6dbf16cfdc64fc939c66ff2eb09b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:39:04+00:00
- Bitcoin block
- 957122
- Canonical record hash
sha256:f50517cf6292c6f86eca19595c436607a10d0d3566d65e1f7d9c1e1870e97b0e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLB352128507
- Bitcoin block existence check
- https://blockstream.info/api/block/957122
Full record
Track page: Cantigas de Santa Maria, IA 1 (Excerpts): No. 323, Ontre toda-las vertudes que aa Virgen son dadas · Machine-readable JSON-LD