OT-2026-000018981
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000018981) never changes.
Identity and time
| Publication number | OT-2026-000018981 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d522-73ad-8168-1406ed52eb37 · 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-2026-000018981 |
| Status | PUBLIC |
Content hashes
| Canonical text | 252ff951eb199420d19f6b19b4e270a92bce61572d897835214321909f173c92 |
|---|---|
| Markdown | 9b3870260ac87127a69ce0054f985d9f4b2ba3b381bc750b53006d4c165a4ac6 |
| Publication page | 5362d205f701cc9f01b43b5d0a9def166733b88b0976b96836cb01c4d07934d8 |
| Manifest | 42f640d13e5cb553448a222d28c4ea2a368e76e5df31038fec5b687684717bd7 |
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 | +DeXc6bL23AxI8KZ1Ard9ZzglLx6q6xnGEU5MJCyV6B7o+nRkuQ234yrb+Ds6y7mN+bjJOJRnip8t+IgKSDmAA== |
| 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
| 2026-09-17T11:59:39.571457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018981observed 5362d205f701cc9f01b43b5d0a9def16...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:39.555059Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018981/manifest.jsonobserved 42f640d13e5cb553448a222d28c4ea2a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:39.536804Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018981/publication.mdobserved 9b3870260ac87127a69ce0054f985d9f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:39.519902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018981/publication.txtobserved 252ff951eb199420d19f6b19b4e270a9...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. |
|---|