OT-2026-000022521
Publication integrity record
Single cup vacuum gripper, three 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-2026-000022521) never changes.
Identity and time
| Publication number | OT-2026-000022521 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4fe-7223-a244-4fb9a23ffffb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022521 |
| Status | PUBLIC |
Content hashes
| Canonical text | 35002c50581bcca07cffd33fca60ab60a226902281ed40f68ddf5991cb4adcf7 |
|---|---|
| Markdown | 97732a75d6fc31a6044f26161777d3b723c36253e5c717c219930c8c3d18e107 |
| Publication page | d44201ffbd280984d19c7308cf36397909feb40075f3f33691d1f69a5661e596 |
| Manifest | 7faa0c4cdadb804f85e8eeb378aeafce5b9265759992c1888cdf5c9c08770259 |
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 | wNfS6Xh6UGo5KeTPnF4bz8Djlum+WHxZEgr5HbFx2KtUWPQDxo+xOVZw26+RGp/oGgeUik6y4Q14RicdnEHQBQ== |
| 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
| 2026-09-17T11:53:57.122476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022521observed d44201ffbd280984d19c7308cf363979...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:53:57.106549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022521/manifest.jsonobserved 7faa0c4cdadb804f85e8eeb378aeafce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:57.089701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022521/publication.mdobserved 97732a75d6fc31a6044f26161777d3b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:57.071332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022521/publication.txtobserved 35002c50581bcca07cffd33fca60ab60...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. |
|---|