OT-2026-000003907
Publication integrity record
Porous face vacuum gripper, four zone face, three outlet manifold, three stage ejector, pressure verified
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-2026-000003907) never changes.
Identity and time
| Publication number | OT-2026-000003907 · never reused |
|---|---|
| Internal UUID | 01a0a90b-6c78-7ca5-b2e8-c27769132e11 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:13.306774Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003907 |
| Status | PUBLIC |
Content hashes
| Canonical text | ab91143bdbd9096f76420ba952707d41ddfc4a62c3a35f6975917d2dace1abce |
|---|---|
| Markdown | ba9e119196f1496ee1cd845973370252042098d8c15022c27992aa3a5548f73b |
| Publication page | 39693a220089b5390254a611cb200fb010aadd9437ad6b0edec6e66bc67c8abb |
| Manifest | a5fbe30cd2acefbfb29c9e7276094cc15e3de5a53e7c4a64e4d5fe1a0d888b12 |
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 | mXR4S4/lv93woZn5YDiEZiEjVr8pZKecP90kQyrEPGVUo71s6rQ2L9+VbcavIx/PMsanvoY8yCy0O05IN/U5DQ== |
| 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
| 2026-09-16T07:10:13.022911Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003907observed 39693a220089b5390254a611cb200fb0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:13.008963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003907/manifest.jsonobserved a5fbe30cd2acefbfb29c9e7276094cc1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:12.995478Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003907/publication.mdobserved ba9e119196f1496ee1cd845973370252...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:12.982654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003907/publication.txtobserved ab91143bdbd9096f76420ba952707d41...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. |
|---|