ISRC PTUM71400457
Verified recording
PTUM71400457 is “Negra” by Jorge Fernando,
registered on the CopyrightChains blockchain with CopyrightID
0xa4e9a9cec5c5390269a6d96ae474dfad5c5317cbb3ac4b336e0e9b09d4909d8f 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/PTUM71400457.
Recording identifiers
- ISRC
- PTUM71400457
- Title
- Negra
- Artist
- Jorge Fernando
- CopyrightID (CopyrightChains transaction hash)
0xa4e9a9cec5c5390269a6d96ae474dfad5c5317cbb3ac4b336e0e9b09d4909d8f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:2c8f580820edfc60a8cd00b26cac5c6c3b5595582baa981de88dfa2c4e7d8ce2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTUM71400457
- Bitcoin block existence check
- https://blockstream.info/api/block/960418