OT-2026-000049931
Publication integrity record
Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000049931) never changes.
Identity and time
| Publication number | OT-2026-000049931 · never reused |
|---|---|
| Internal UUID | 01a0ae81-fd76-708b-b530-f84165f28a5d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:49.774136Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049931 |
| Status | PUBLIC |
Content hashes
| Canonical text | aa054a1aaf15c76aa524c872e90f288fa2b6731a28b3806c66712007679a6f1a |
|---|---|
| Markdown | 1ac333de360d03d3be25caca85bd3f477c1071061237ba8a1d51c4cb43c35a0a |
| Publication page | b2091dd4e8212e98a7d7650cd897269cdcad5665d1a8f1a9e3ad95a8df94ed5a |
| Manifest | 925d579ef2f3fa5360ca7a3305d512074adf4e690d1d1fc18518ceb1b2bf4baa |
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 | U9J+9fi/Paf7Js3OTiwjnhwZtxI/+GRNEsAEAx0G6udN5eb0cHgCOgpE3oIrOWUjLK1PfFhIGDQCCb9aeOHaBg== |
| 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
| 2026-09-17T11:01:51.754802Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049931observed b2091dd4e8212e98a7d7650cd897269c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:01:51.735367Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049931/manifest.jsonobserved 925d579ef2f3fa5360ca7a3305d51207...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:51.716229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049931/publication.mdobserved 1ac333de360d03d3be25caca85bd3f47...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:51.696556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049931/publication.txtobserved aa054a1aaf15c76aa524c872e90f288f...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. |
|---|