OT-2026-000028887
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, pulsed 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-2026-000028887) never changes.
Identity and time
| Publication number | OT-2026-000028887 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7a65-811d-19cfb3215b69 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028887 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1cce368958eee8d163b5f253dd54eef88c92f0a383e2d1fbf32e8669b197b019 |
|---|---|
| Markdown | ab6de1a7587c275b34be2d49e836119648bf58a3a240310f9b650c322a6bbfd9 |
| Publication page | a66b3f0ec4c18b09a7bbc9f752a676701fcb864d7d0333aa04d5dc3c80f7a392 |
| Manifest | f3ad080d7502d8c0a56792992e9fcd3f519f4289860030deb568ecd115715f91 |
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 | 4qbPK9GxSwoSryhaMEYUd3Y7pd0eptf9jsfLw0pUR7AU/6vcsVsM1aetYsV70IPi+ZmLneXLrYNHJeKWNyn4CA== |
| 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
| 2026-09-17T08:20:15.283746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028887observed a66b3f0ec4c18b09a7bbc9f752a67670...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:15.265917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028887/manifest.jsonobserved f3ad080d7502d8c0a56792992e9fcd3f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:15.247589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028887/publication.mdobserved ab6de1a7587c275b34be2d49e8361196...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:15.228656Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028887/publication.txtobserved 1cce368958eee8d163b5f253dd54eef8...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. |
|---|