OT-2026-000028153
Publication integrity record
Two cup vacuum gripper, two outlet manifold, 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-2026-000028153) never changes.
Identity and time
| Publication number | OT-2026-000028153 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-70bb-b9ad-7d4e6b58b37d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028153 |
| Status | PUBLIC |
Content hashes
| Canonical text | 19bfcd79d00fd7c16660f756218530efd5ae3f1656f6bb7f6adee02b3df3092b |
|---|---|
| Markdown | 33ac13abcd77eb630205d3ae091b06d232724d76dfe978f015000196e04456bc |
| Publication page | 814b9f0d9524a4a68d9c15420ad20532e4c7ec9cf79ea1bd695952f896c3b5e9 |
| Manifest | 0ba3f2864dd277d13fb04d04e09a657b2409bf010f767359f0875977f07764e3 |
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 | OBX9UO24181uLFpuu14N6nNdp5CDNVvI4YZTlpHy3HTjpSHCbSjwnz/hwnzeDcj7RXJjvEvUu6IqKrhXvH1jBg== |
| 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
| 2026-09-17T11:42:30.376468Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028153observed 814b9f0d9524a4a68d9c15420ad20532...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:30.360591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028153/manifest.jsonobserved 0ba3f2864dd277d13fb04d04e09a657b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:30.343978Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028153/publication.mdobserved 33ac13abcd77eb630205d3ae091b06d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:30.326860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028153/publication.txtobserved 19bfcd79d00fd7c16660f756218530ef...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. |
|---|