OT-2026-000028271
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000028271) never changes.
Identity and time
| Publication number | OT-2026-000028271 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f4-782e-8cad-2c6450d3ce42 · 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-2026-000028271 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3bd7b480ed1857ffd813ec69c20589cd3f4ca9883a119c9f8a85da5059a1b5a8 |
|---|---|
| Markdown | 0d4a46aac0fd45ee20cd1205313d42058c00884cd772fa0c35d3fa6d50d47af2 |
| Publication page | b31bdc949f861499639a72b1a0bd45c44007db7f4617591b6cff508ac2d8d919 |
| Manifest | 61fe2b30bca3d16049b5e872a5e5e6a81d180ecdfca7360f789a4f8b98b55be5 |
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 | KE4kwT7DYxDjQXhzUeeLpT9+Y39JNIFD5A3RvSReozfe6kH3mylATuaGSrWMW/bOjh6D93eyziStN7DuJrgdCQ== |
| 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
| 2026-09-17T11:40:08.813962Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028271observed b31bdc949f861499639a72b1a0bd45c4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:08.792976Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028271/manifest.jsonobserved 61fe2b30bca3d16049b5e872a5e5e6a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:08.775257Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028271/publication.mdobserved 0d4a46aac0fd45ee20cd1205313d4205...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:08.757307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028271/publication.txtobserved 3bd7b480ed1857ffd813ec69c20589cd...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. |
|---|