OT-2026-000004462
Publication integrity record
Vacuum cup gripper, pump fed, contact triggered, pulsed blow off 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-2026-000004462) never changes.
Identity and time
| Publication number | OT-2026-000004462 · never reused |
|---|---|
| Internal UUID | 01a0a918-9210-71ad-bf44-e9ab5eb9f395 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:22:34.903955Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004462 |
| Status | PUBLIC |
Content hashes
| Canonical text | d7ac694c81fb6bb43679a4fea3e2a908d4d7103fac5d4dcbb358c7d44e6523db |
|---|---|
| Markdown | e5ced84968cc4dc8f515d29749fe31f683e731280a14b3ec89a8f35a20bcc613 |
| Publication page | cb4fdc26818606b14fe9d0eb52e504f4fe499667aee7579aa0510c02a1d41d97 |
| Manifest | dea45dd42a9fd7224f56fcdf09d08358bf40e56467911972a4b6664e89e1c944 |
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 | Rqrr+Iq7ADWKSPSfHpxdPzltMGG6KlxnI6//ZOf9K/BnqLVTB+gU9HvxoyTsTY4hViRhJI4J8jnIKL1p1gYRDA== |
| 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
| 2026-09-16T07:30:24.910319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004462observed cb4fdc26818606b14fe9d0eb52e504f4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:24.897843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004462/manifest.jsonobserved dea45dd42a9fd7224f56fcdf09d08358...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:24.885695Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004462/publication.mdobserved e5ced84968cc4dc8f515d29749fe31f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:24.872697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004462/publication.txtobserved d7ac694c81fb6bb43679a4fea3e2a908...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. |
|---|