OT-2026-000021730
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000021730) never changes.
Identity and time
| Publication number | OT-2026-000021730 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-72cf-b26c-c4f3ffed1975 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021730 |
| Status | PUBLIC |
Content hashes
| Canonical text | e1f44ed0580b425784e2101454e0e1d0c040443572d5d9aed804960429500200 |
|---|---|
| Markdown | 56f70b81d8765da66c11dffc752eaffb7d7640f1b716342ae56dcb1841422a8a |
| Publication page | 88ea904943a4af060ac6268c79559801105a6fabc2c896b080f4cc1025aa182d |
| Manifest | e7dcaa6f1bae0dbbf86f3a9f485bb19cc3305e19ba15915ba6cf1f48afa8dd94 |
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 | Ci3ixyTkvzgFqy9cSs7hRH/4zRDynnobGkuEue3f4O00ywLm4jWuydrlAd/P566bN7jcb+ArzgVZZoUM3afKBA== |
| 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
| 2026-09-17T11:54:06.089660Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021730observed 88ea904943a4af060ac6268c79559801...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:06.073519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021730/manifest.jsonobserved e7dcaa6f1bae0dbbf86f3a9f485bb19c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:06.053351Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021730/publication.mdobserved 56f70b81d8765da66c11dffc752eaffb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:06.037863Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021730/publication.txtobserved e1f44ed0580b425784e2101454e0e1d0...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. |
|---|