OT-2026-000018820
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000018820) never changes.
Identity and time
| Publication number | OT-2026-000018820 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d521-7425-88a5-05e7b8c0e6ce · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:54.261386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018820 |
| Status | PUBLIC |
Content hashes
| Canonical text | 814160e298c09e8f3bdb18d66f718c46b58fde238c4e456c83b05431ce2b1303 |
|---|---|
| Markdown | 2551549d23782afc196d6ab872036f06260b7c75047b5f8ceac31139a253a4fc |
| Publication page | d25b344ef31d535bca76051f816da722c08ae93eb64b506d9cf628cf1504ff85 |
| Manifest | 01a9a9631a35e05251e29a2942e87f0cb226f21ed48ef78d007f114baa895342 |
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 | QOqvknMwta2ike6R8CQ14mBUty3q0gfI9uzoJqVHRbYChckDrJqdTuFKJZ3WgsWTW3P+8ExsWu3JB+f+WipVBg== |
| 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
| 2026-09-17T11:59:27.179627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018820observed d25b344ef31d535bca76051f816da722...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:27.158095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018820/manifest.jsonobserved 01a9a9631a35e05251e29a2942e87f0c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:27.137525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018820/publication.mdobserved 2551549d23782afc196d6ab872036f06...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:27.115400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018820/publication.txtobserved 814160e298c09e8f3bdb18d66f718c46...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. |
|---|