OT-2026-000028422
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
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-2026-000028422) never changes.
Identity and time
| Publication number | OT-2026-000028422 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-788d-85ff-fc38adc78345 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028422 |
| Status | PUBLIC |
Content hashes
| Canonical text | a8537f58b5362ceec252f4471f2a6d8cf9fd0370706b3ad4a2ff7dd64ddeb40f |
|---|---|
| Markdown | c029d68d83aec3bdfac1c9e6f628f55a4c5d28dbd8adaf25d8db158fd1e0f5c3 |
| Publication page | 8a79e87e970639d78a6f760761eaa2bb1dd516d54c207a4865b5bb70f7db6e93 |
| Manifest | a347eb04dc95ca9e6e33fde8988fde8c3dca89bedb91587d867f2220c5267f70 |
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 | SkFEE7Obp8i2bTiXmHLiF1EnxF/GjZaRuYXzbxhClFmUKck3dM2fLOIH1CYIbxNhi3oHdCHRQrJBDPTHoB4QCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:40:33.250349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028422observed 8a79e87e970639d78a6f760761eaa2bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:33.230915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028422/manifest.jsonobserved a347eb04dc95ca9e6e33fde8988fde8c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:33.208533Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028422/publication.mdobserved c029d68d83aec3bdfac1c9e6f628f55a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:33.191086Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028422/publication.txtobserved a8537f58b5362ceec252f4471f2a6d8c...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. |
|---|