OT-2026-000031925
Publication integrity record
Single cup vacuum gripper, two stage ejector, pulsed blow-off after 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-2026-000031925) never changes.
Identity and time
| Publication number | OT-2026-000031925 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-7d97-9f5e-0a8e7c4a96ed · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031925 |
| Status | PUBLIC |
Content hashes
| Canonical text | 044f771db6134127cd05d56069c1094507f1631929c81f52dcb2d8b4ee635a00 |
|---|---|
| Markdown | e8d0878e1927f4592a0a4462d16ff861bc949ac279a6e1bec6c6f597d8ef77dc |
| Publication page | b0f74f9f7bef5d191ad47b450b301d3c049c2af19e9eb5328bb8595cd11a0ae8 |
| Manifest | 39e2638de5a821deaaf8bbc0913c6630465556caff414e0ff711556b112a8025 |
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 | osJwLsLR2pihkFOgvEd8/hx45EAYV7vMIo3zQmoPzEDqAvP+BYBzQVm6J0h7mLmApo/7CRIBU/mnbeaxlmjTBg== |
| 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
| 2026-09-17T11:35:12.198795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031925observed b0f74f9f7bef5d191ad47b450b301d3c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:12.167216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031925/manifest.jsonobserved 39e2638de5a821deaaf8bbc0913c6630...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:12.149440Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031925/publication.mdobserved e8d0878e1927f4592a0a4462d16ff861...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:12.116889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031925/publication.txtobserved 044f771db6134127cd05d56069c10945...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. |
|---|