OT-2026-000003557
Publication integrity record
Porous face vacuum gripper, per zone isolation, four 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-2026-000003557) never changes.
Identity and time
| Publication number | OT-2026-000003557 · never reused |
|---|---|
| Internal UUID | 01a0a90a-5fa7-7e4d-91f9-b556e5453c42 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:04.490089Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003557 |
| Status | PUBLIC |
Content hashes
| Canonical text | 391176ae7d620e9e57ff714ce542a7efdb1537225f83281bbe615ee9bed39dee |
|---|---|
| Markdown | dec44cadc3f403e92eecf4f2007888e8d8d6f55870d363fa49c8fcdcd93efe41 |
| Publication page | e1dce23fd4fc807cf863910680d4c3453455d8921b2aaea8692753374b340b4e |
| Manifest | 8e6ac6030e27673ca22922773f2ff35a2631cf544578005130e97ddd0a261287 |
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 | xb+JgJEwIrblfxpkWHNfzSczIsqzSru5W/tarM+sB/xxpKnHIS2TCZbIrHf2LgpJLq/zlwK7S4UVNpsg9+PNAA== |
| 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
| 2026-09-16T08:50:31.639682Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003557observed e1dce23fd4fc807cf863910680d4c345...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:50:31.498242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003557/manifest.jsonobserved 8e6ac6030e27673ca22922773f2ff35a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:31.484593Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003557/publication.mdobserved dec44cadc3f403e92eecf4f2007888e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:31.440250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003557/publication.txtobserved 391176ae7d620e9e57ff714ce542a7ef...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. |
|---|