OT-2026-000031897
Publication integrity record
Single cup vacuum gripper, 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-2026-000031897) never changes.
Identity and time
| Publication number | OT-2026-000031897 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-700f-883a-748d19f20e9b · 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-2026-000031897 |
| Status | PUBLIC |
Content hashes
| Canonical text | a412615f15c44d69b1e9c9aac993d1268c815b80742642c0200d09a004c8fc4c |
|---|---|
| Markdown | b234258579e5b96be074d052b4744a7ec6f443993c0d0b41a8c50ed17b3d77f6 |
| Publication page | bb8874e64f156c12d846fceea9d21d9cce519b0354c1682c6279d5019bbac20e |
| Manifest | 92d3e90465d3ffa97f39fd9deb981fba6156d0e53183c9470115a1c0565a9889 |
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 | D2YlHtmi3mgVOX1iVPAciPUiPC03ImzJ5mniGuVM/J3491Opxb9eZdSgym2jt7etiTBRsczHuhmYr17tvxmpDw== |
| 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
| 2026-09-17T11:35:09.958347Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031897observed bb8874e64f156c12d846fceea9d21d9c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:09.941330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031897/manifest.jsonobserved 92d3e90465d3ffa97f39fd9deb981fba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:09.924380Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031897/publication.mdobserved b234258579e5b96be074d052b4744a7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:09.906809Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031897/publication.txtobserved a412615f15c44d69b1e9c9aac993d126...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. |
|---|