OT-2026-000028274
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000028274) never changes.
Identity and time
| Publication number | OT-2026-000028274 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f4-7785-9360-0d5a99d5e4d7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028274 |
| Status | PUBLIC |
Content hashes
| Canonical text | cdc853ea976dbb68dcd5509b98fbaa29df230b249af8e6c508c1abd53f1d1384 |
|---|---|
| Markdown | 9486fd1f3f412998dbba225ef0dcd969e05c6bc82ef50b0acd2f9d8caf96f095 |
| Publication page | dc36380c7ca8d56a36cb8e3ab5597ac5d5367472241bfbe9b8dc517d9d3e752c |
| Manifest | 705d28fc28e5f70910d42c92a207d50e9c78f079b27a76c0b04d1aa846d9c37d |
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 | AvagssXf3lxAq0mDf1L9G2p1lL28sSVSvP2EpBqueEqPW74P3cIBNyMWAsOoBDA7uVRiA8aSyzG8qPbYQCnGDw== |
| 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
| 2026-09-17T11:40:09.055834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028274observed dc36380c7ca8d56a36cb8e3ab5597ac5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:09.038395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028274/manifest.jsonobserved 705d28fc28e5f70910d42c92a207d50e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:09.021356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028274/publication.mdobserved 9486fd1f3f412998dbba225ef0dcd969...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:09.000596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028274/publication.txtobserved cdc853ea976dbb68dcd5509b98fbaa29...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. |
|---|