ISRC ES33B1815401
Verified recording
ES33B1815401 is “O velho Francisco” by Albert Sanz & Javier Colina,
registered on the CopyrightChains blockchain with CopyrightID
0xe1d5568bf01b46e3691bbab48b23acc550cf43c97c3cb216d85df5b67f284110 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES33B1815401.
Recording identifiers
- ISRC
- ES33B1815401
- Title
- O velho Francisco
- Artist
- Albert Sanz & Javier Colina
- CopyrightID (CopyrightChains transaction hash)
0xe1d5568bf01b46e3691bbab48b23acc550cf43c97c3cb216d85df5b67f284110
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:119a623a767a8a3c479bd15558a7678fc02d8e0f7a43e3153b0db5617119a0d1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES33B1815401
- Bitcoin block existence check
- https://blockstream.info/api/block/960418