OT-2026-000028878
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000028878) never changes.
Identity and time
| Publication number | OT-2026-000028878 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7657-9be1-6f180632ae28 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028878 |
| Status | PUBLIC |
Content hashes
| Canonical text | 88c76e5e72cef62e9483fdbefe1228f73d36ab05bf12d64792e8b2266363234d |
|---|---|
| Markdown | 9abe654055d5563f8bd56e0860d11b77b554082dadf565aeb606ade659a8c5a6 |
| Publication page | 6bed00f9272704c42975a62f21aed7e5738dfb598e88e7d35f9f74f8a8268fda |
| Manifest | 4a1216100a57052a61fd1a211340c1f1b4b4330f8564d605e00db4096df5e0f1 |
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 | GD4du3XnoSQjQGGJTO5Xg7/ni9tIp1USzViHpEyEsrwpdaP42SgoZjr7xyWjirtEunAv98r97YJDEEk3IRrABQ== |
| 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
| 2026-09-17T16:42:25.892160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028878observed 6bed00f9272704c42975a62f21aed7e5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T16:42:25.746254Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028878/manifest.jsonobserved 4a1216100a57052a61fd1a211340c1f1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:42:25.540493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028878/publication.mdobserved 9abe654055d5563f8bd56e0860d11b77...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:42:25.337006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028878/publication.txtobserved 88c76e5e72cef62e9483fdbefe1228f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:14.011422Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028878observed 6bed00f9272704c42975a62f21aed7e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:13.985860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028878/manifest.jsonobserved 4a1216100a57052a61fd1a211340c1f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:13.962935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028878/publication.mdobserved 9abe654055d5563f8bd56e0860d11b77...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:13.940991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028878/publication.txtobserved 88c76e5e72cef62e9483fdbefe1228f7...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. |
|---|