OT-2026-000031221
Publication integrity record
Four cup vacuum gripper, four outlet manifold, single 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-2026-000031221) never changes.
Identity and time
| Publication number | OT-2026-000031221 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ab-7e63-8cf1-faf5cd6a27ee · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031221 |
| Status | PUBLIC |
Content hashes
| Canonical text | 64901873df49a99ee8cb8981389a30736a64b1197fe3588e65a24d0ee371e865 |
|---|---|
| Markdown | 002a779dd55489b07852a1edf55852cc664571f1309ad811eba78a56abf59b2d |
| Publication page | 3c177610f8bf6ee97a43ee3f73b8f59388cafeebbfb297c62b61e176b41e6fe2 |
| Manifest | e643d2a16aa37da25d25dc6821bb417aae96d3b96c28ca6c6f203bb49db15b0d |
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 | odR8S6IQCs9oV05QJqKRV27jsxgPl3hdkHAHQs9/4GO3pJek4nwuX4pbpzN6AiigCET8WuIcUcnzduFYaEAVDQ== |
| 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
| 2026-09-17T11:35:47.291367Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031221observed 3c177610f8bf6ee97a43ee3f73b8f593...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:47.274385Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031221/manifest.jsonobserved e643d2a16aa37da25d25dc6821bb417a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:47.257682Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031221/publication.mdobserved 002a779dd55489b07852a1edf55852cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:47.240387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031221/publication.txtobserved 64901873df49a99ee8cb8981389a3073...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. |
|---|