OT-2026-000004496
Publication integrity record
Porous face vacuum gripper, three zone face, two outlet manifold, three stage ejector
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-2026-000004496) never changes.
Identity and time
| Publication number | OT-2026-000004496 · never reused |
|---|---|
| Internal UUID | 01a0a919-eddd-7106-b085-e28072fa49b2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:24:03.935681Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004496 |
| Status | PUBLIC |
Content hashes
| Canonical text | 18b7572f18b9e7c10aeb44ff190f113fb6060371dfa26cbe2a56f57ef379bb10 |
|---|---|
| Markdown | 5457d10fb758dadcf53bbdb82c51e0e05030093fdac3dfb8fc3bb07506d91333 |
| Publication page | 875c5a5efe46bb35c36d7cd31aeab7a6d68103f0257be65485fd937355a3aaf2 |
| Manifest | aaf9df87041c5dd61b30f855c8e931a7d4d306098db77fde6d0f8831a017dc65 |
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 | rJc4iXHXj14kj66huuvv1xV0ImlJMCPSRmYHEpYsE26YoTJwmzXzcW79mkoGAjeuTvtQAUrTnLfBVayrWHDFAA== |
| 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
| 2026-09-16T07:30:21.417702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004496observed 875c5a5efe46bb35c36d7cd31aeab7a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:21.406080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004496/manifest.jsonobserved aaf9df87041c5dd61b30f855c8e931a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:21.393014Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004496/publication.mdobserved 5457d10fb758dadcf53bbdb82c51e0e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:21.379832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004496/publication.txtobserved 18b7572f18b9e7c10aeb44ff190f113f...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. |
|---|