OT-2026-000028597
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000028597) never changes.
Identity and time
| Publication number | OT-2026-000028597 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-79b4-8be0-0274c9243c02 · 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-2026-000028597 |
| Status | PUBLIC |
Content hashes
| Canonical text | b7cd8a0f9283eb740a87016cd52975e527a8f5bbdbed67964b0967122d68fa7f |
|---|---|
| Markdown | c415621aef472efe83ef32b4013e90e8248bf4abb74058129f1ad51befc27710 |
| Publication page | f77b1feffb5cbd441c6d1f6b266425d8c3ff7a55e8ede5e8c74ee12f5c9c1d88 |
| Manifest | fc696a2012ac43b4fde07d73ceed83aef5f1d33009dba21feb525b9093a16a1b |
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 | RvaSyH9kUyYVSx1THpI4cWoGHSvyR7uUo2TGdvnBl79UiLrnBRwhY3ncTV/Dhwld/HyjYN9rs1EHqNMz7OiiAQ== |
| 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
| 2026-09-17T11:41:27.183644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028597observed f77b1feffb5cbd441c6d1f6b266425d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:27.161563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028597/manifest.jsonobserved fc696a2012ac43b4fde07d73ceed83ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:27.140671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028597/publication.mdobserved c415621aef472efe83ef32b4013e90e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:27.119578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028597/publication.txtobserved b7cd8a0f9283eb740a87016cd52975e5...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. |
|---|