OT-2026-000004237
Publication integrity record
Vacuum cup gripper, three zone face, two stage ejector, vented before set down, silicone cups
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-2026-000004237) never changes.
Identity and time
| Publication number | OT-2026-000004237 · never reused |
|---|---|
| Internal UUID | 01a0a911-f7a6-71fa-a91f-bd61c9016a84 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:15:22.153489Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004237 |
| Status | PUBLIC |
Content hashes
| Canonical text | 470f5bfc75dc5f99af47c6777b7d9e7764cee0bdb5e6b3cabf7de8463e9c67ad |
|---|---|
| Markdown | 0c1a57b108e3bcb65b76e2f672346966da9659d9d65c3e107d720effea289539 |
| Publication page | 2fafe05261b038e671455a07d08d802c716d96ad11f990d1ea8cc5f0310c3bb7 |
| Manifest | f0e7926bc8c2608a7463464699606c6451f9c2920725ba4d91e7aaea82fe9df1 |
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 | qYTw0F2/gae2z5KnzHBEo3EsAZnGRP8N453NXFQFKLsjEO0UqtRgojEGQTAIGoUweXDne6bAR39XSlmAToViBg== |
| 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
| 2026-09-16T07:20:20.681180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004237observed 2fafe05261b038e671455a07d08d802c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:20.662941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004237/manifest.jsonobserved f0e7926bc8c2608a7463464699606c64...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:20.647457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004237/publication.mdobserved 0c1a57b108e3bcb65b76e2f672346966...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:20.633011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004237/publication.txtobserved 470f5bfc75dc5f99af47c6777b7d9e77...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. |
|---|