OT-2026-000052871
Publication integrity record
Three cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, pulsed 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-2026-000052871) never changes.
Identity and time
| Publication number | OT-2026-000052871 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42f-7ddf-b7f6-c4682f102cb3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052871 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7ef193bf0d650e674052ba7ae46811946989c5298fa269fc1c687a0da981d86f |
|---|---|
| Markdown | b4031af78c08d01376a649d1abdc0e7612765203c60ece898b40f2f8aca3ff91 |
| Publication page | d5635a2f10e05615ba6cec1f2fcd99d418f350f9339f7b8590a6f46bacd8f78e |
| Manifest | f81236d74a6d45b4608395139fd094e45da5a80d3c542ca1ea23437728ebf5b4 |
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 | 5iZH23jHBB5aKUswU8+G1RS+AGMFbSkG8JWl1nIESW94aqhO3tZWBcxfaN/5eSMS9ixQBWSpKfvUoAKZlA/SCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:56:30.305032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052871observed d5635a2f10e05615ba6cec1f2fcd99d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:30.286898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052871/manifest.jsonobserved f81236d74a6d45b4608395139fd094e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:30.269406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052871/publication.mdobserved b4031af78c08d01376a649d1abdc0e76...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:30.251016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052871/publication.txtobserved 7ef193bf0d650e674052ba7ae4681194...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. |
|---|