OT-2026-000006440
Publication integrity record
Porous face vacuum gripper, per zone isolation, pump fed, sustained blow off before set down
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-2026-000006440) never changes.
Identity and time
| Publication number | OT-2026-000006440 · never reused |
|---|---|
| Internal UUID | 01a0a95b-4fee-756e-aafe-b6b05caffacd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:35:28.881712Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006440 |
| Status | PUBLIC |
Content hashes
| Canonical text | bd90f5a1f51f4ec84d9a7932f7df32caddc3f8e70e5ef6133611123389ab5b8c |
|---|---|
| Markdown | 47a121d10df3e50c51ef28010f11a6a9d51f1799f9b409cbd13c48eb6c7900b7 |
| Publication page | 814215cfaded1cd89b24706315740b690bdaa12b74e0b1c9dd8e27c32ee15638 |
| Manifest | 390a8b72af89083cad9f2ba6aeb6f64a9fc2b2cd4472f58c9bec8f5cec942312 |
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 | NWswoTIGBVzE+bPG2fwAP1U+rTnBmvT7Bn1a4iEhaXFK3sx+PHJJ16hzwiJEY4nNSpbwyGmmWJof+ditzBBfCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:40:17.374265Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006440observed 814215cfaded1cd89b24706315740b69...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:40:17.240297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006440/manifest.jsonobserved 390a8b72af89083cad9f2ba6aeb6f64a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:17.226194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006440/publication.mdobserved 47a121d10df3e50c51ef28010f11a6a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:17.211897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006440/publication.txtobserved bd90f5a1f51f4ec84d9a7932f7df32ca...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. |
|---|