OT-2026-000028191
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000028191) never changes.
Identity and time
| Publication number | OT-2026-000028191 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7ce1-80fb-da41ee2758ad · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028191 |
| Status | PUBLIC |
Content hashes
| Canonical text | f9c9ee4641bd2e105b07a61970342c5ecc943df385d67ddb0736fbddd64a70fb |
|---|---|
| Markdown | 2e4c5e8956ab76450ccff8f595b34c0e40a808cd42ee9b8de90783a4db218fb7 |
| Publication page | a48e7578af80e715d2b05d190cd350a8c1172545cb06eea65e1dc01b841942de |
| Manifest | a58c2b1b114818a5b9dada4c29710ed02e85efa1e9f6190b8201561be8cac126 |
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 | 0Jstvk7AcO3id96FGzaKY5rtawDXY92IDZqJFPQhOPcLsqSkK/boOLeaJ4bnM271NYb+E29rxRLz4+BJzGTgAA== |
| 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
| 2026-09-17T11:42:33.218142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028191observed a48e7578af80e715d2b05d190cd350a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:33.201318Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028191/manifest.jsonobserved a58c2b1b114818a5b9dada4c29710ed0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:33.184294Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028191/publication.mdobserved 2e4c5e8956ab76450ccff8f595b34c0e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:33.167460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028191/publication.txtobserved f9c9ee4641bd2e105b07a61970342c5e...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. |
|---|