OT-2026-000018828
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-2026-000018828) never changes.
Identity and time
| Publication number | OT-2026-000018828 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d521-748a-8e8a-8231524a4474 · 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-2026-000018828 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3741fd24ce84dccafce057b59bfab81ddae7287b719c57a521185c4119fa10a3 |
|---|---|
| Markdown | 41adbf236824845d2c84e79aa0bf0222a9605f912937b206a731a05c8778603f |
| Publication page | af0b1013ff8ab11f3709c1e45d9c9288b34d497bdc1b85ef258cf0ef39e49b26 |
| Manifest | 6a547fc1d2fb84041813b02d6b0d95519f25335bb4e451b283e898536be73f71 |
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 | wY6OB9TeZwtZBhaRHplqIn8qOhDcPx358ZPMcr4icbwNvZ5bu7c462+c5a1pEjEQo1+GaGsNLEA91m9L8WeLCw== |
| 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
| 2026-09-17T11:59:03.556380Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018828observed af0b1013ff8ab11f3709c1e45d9c9288...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:03.539559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018828/manifest.jsonobserved 6a547fc1d2fb84041813b02d6b0d9551...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:03.497955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018828/publication.mdobserved 41adbf236824845d2c84e79aa0bf0222...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:03.458462Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018828/publication.txtobserved 3741fd24ce84dccafce057b59bfab81d...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. |
|---|