OT-2026-000031021
Publication integrity record
Two cup vacuum gripper, two 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-2026-000031021) never changes.
Identity and time
| Publication number | OT-2026-000031021 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb7-7f85-9c22-dc1d596d808e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031021 |
| Status | PUBLIC |
Content hashes
| Canonical text | d2ed8b89badc61422f592c5f6fac87dee213568348f528097d97e8c9cf0681da |
|---|---|
| Markdown | 3163529378b547befc419d052fd566a52949011510f18271df58f756d03d3ff6 |
| Publication page | 754efcc18ad37f7c81226dd4691dd77fc21fe8eb54f97696d9529c6fffc2695a |
| Manifest | 1891e963544337bdc794d492c15597eb76489a434e0d55ef822ec9d07c68777c |
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 | HuzAA7/t9GR+RCjX+pgvDDbUVzfdi4peFqhcdI6RAVL1JFt44gSdJnhT3Dr3h2805Z0A3ADp0VxdWvfnNxlBBA== |
| 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
| 2026-09-17T11:40:06.927912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031021observed 754efcc18ad37f7c81226dd4691dd77f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:06.910548Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031021/manifest.jsonobserved 1891e963544337bdc794d492c15597eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:06.891424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031021/publication.mdobserved 3163529378b547befc419d052fd566a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:06.869863Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031021/publication.txtobserved d2ed8b89badc61422f592c5f6fac87de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:35.873074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031021observed 754efcc18ad37f7c81226dd4691dd77f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:35.855175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031021/manifest.jsonobserved 1891e963544337bdc794d492c15597eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:35.835307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031021/publication.mdobserved 3163529378b547befc419d052fd566a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:35.817307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031021/publication.txtobserved d2ed8b89badc61422f592c5f6fac87de...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. |
|---|