ISRC PTCN11200184
Verified recording
PTCN11200184 is “Variações em Dó” by Francisco Carvalhinho,
registered on the CopyrightChains blockchain with CopyrightID
0x11a90b5f73a2d0d5b9591a229b4472040a48815b325a1f1d3ebb86873106d7f4 and independently timestamped
in Bitcoin block 960389 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTCN11200184.
Recording identifiers
- ISRC
- PTCN11200184
- Title
- Variações em Dó
- Artist
- Francisco Carvalhinho
- CopyrightID (CopyrightChains transaction hash)
0x11a90b5f73a2d0d5b9591a229b4472040a48815b325a1f1d3ebb86873106d7f4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T10:20:10+00:00
- Bitcoin block
- 960389
- Canonical record hash
sha256:83184da7aedee4d5ad6aab335aafa232b2a3ff17536c4c907164480c0731e6ea- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTCN11200184
- Bitcoin block existence check
- https://blockstream.info/api/block/960389