ISRC FRZ390400340
Verified recording
FRZ390400340 is “Cristal (Tinha Algum Vinho Ainda)” by Custódio Castelo,
registered on the CopyrightChains blockchain with CopyrightID
0xb376c20e305c31053eb1f7ccb39a96de6eabaa5ea4ebace81fcbb3e99f1a6e17 and independently timestamped
in Bitcoin block 960203 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ390400340.
Recording identifiers
- ISRC
- FRZ390400340
- Title
- Cristal (Tinha Algum Vinho Ainda)
- Artist
- Custódio Castelo
- CopyrightID (CopyrightChains transaction hash)
0xb376c20e305c31053eb1f7ccb39a96de6eabaa5ea4ebace81fcbb3e99f1a6e17
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T03:35:13+00:00
- Bitcoin block
- 960203
- Canonical record hash
sha256:97892d329a17567425b31d97e9e97b18b1be02bd2b0eba1353991556219d6050- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ390400340
- Bitcoin block existence check
- https://blockstream.info/api/block/960203
Full record
Track page: Cristal (Tinha Algum Vinho Ainda) · Machine-readable JSON-LD