OT-2026-000006644
Publication integrity record
Porous face vacuum gripper, three stage ejector, contact triggered on the face, closed cell
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-2026-000006644) never changes.
Identity and time
| Publication number | OT-2026-000006644 · never reused |
|---|---|
| Internal UUID | 01a0a962-7a27-7c85-8f3c-210f2772283f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:43:18.442494Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006644 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2171599f8510c6122ad17cd26380a550fdb8242a53720171999ca66db69f9407 |
|---|---|
| Markdown | 41bebc8ae05ece5140681f6d93d242afc8baea6adc30e60cddef25efb2364aca |
| Publication page | 5c0ef14bd4cc8877e8024f9aa5622f9a2395295dfb87b2a27a22843c77968668 |
| Manifest | bdbfc8187d187c55d389c3f4ed3c4ce39fdbf9591f9d764db5f86523eec13404 |
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 | skUkSs7EOSOetXXewBrnchnCul9p8OpZnodAA4FnEQKK5+h1TCqK5bBaY5dsgH7rX4eakuXkD2KA4yh7WxHNBQ== |
| 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
| 2026-09-16T08:50:21.913786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006644observed 5c0ef14bd4cc8877e8024f9aa5622f9a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:50:21.900488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006644/manifest.jsonobserved bdbfc8187d187c55d389c3f4ed3c4ce3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:21.886202Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006644/publication.mdobserved 41bebc8ae05ece5140681f6d93d242af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:21.749541Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006644/publication.txtobserved 2171599f8510c6122ad17cd26380a550...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. |
|---|