OT-2026-000004576
Publication integrity record
Porous face vacuum gripper, four zone face, per zone isolation, plant vacuum fed
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000004576) never changes.
Identity and time
| Publication number | OT-2026-000004576 · never reused |
|---|---|
| Internal UUID | 01a0a91c-7d40-7076-87e4-470429c74bf0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:26:51.715251Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004576 |
| Status | PUBLIC |
Content hashes
| Canonical text | a4c77cd27bb08cab42a830cf27daf1d9e796f2748546cb60275301a62a6ed512 |
|---|---|
| Markdown | 8e3a34b371dd8ec45edd04b7cc9e18142d753402f32bdede8765f06ece8b6f59 |
| Publication page | d7141d51006ae5b4fe9b2aeb177375e539ea094fbec2ea8968d8a2152e7437cc |
| Manifest | 3ddacb822f647a026ab01a5db9e0406095d7e976a5f1b3c20b79b30f111bd5fd |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | SW9Hpn83/AzVfnc7U61DwWlnSvysuuX1IkGUe29EIJ1nZWVXDBrW8Vs/tsPIyKPn5Oew3yqfL/twMmRbQ8DzDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:13.147917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004576observed d7141d51006ae5b4fe9b2aeb177375e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:13.134210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004576/manifest.jsonobserved 3ddacb822f647a026ab01a5db9e04060...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:13.121007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004576/publication.mdobserved 8e3a34b371dd8ec45edd04b7cc9e1814...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:12.987069Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004576/publication.txtobserved a4c77cd27bb08cab42a830cf27daf1d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|