OT-2026-000021939
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pulsed blow-off before set-down
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-2026-000021939) never changes.
Identity and time
| Publication number | OT-2026-000021939 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-75c1-b36b-04f854c837e5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021939 |
| Status | PUBLIC |
Content hashes
| Canonical text | 01593129341f0ba7831386289eea6ca58815fca77078ff735cf6ce87ae025dc8 |
|---|---|
| Markdown | 22ef45cee8b02afa64ed49c96563d712593a39852b481e4f7288a8bf37d9d042 |
| Publication page | a709a83e2f739bfaf199f3c49ac4361037469771ab5e8df9265f473fb33d043a |
| Manifest | 695b07c9a00abeb72146e540355427f19b5d2492847b04b9af68b0c3fc44d15c |
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 | N85FEgHlh9xuLfZOpherEuyar5nJ063YFKQgbbuzVTbhy3DCbMD+Amt6s8dlO2aL8bI7D8ptTC+zme4zMw7tCQ== |
| 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
| 2026-09-17T11:54:36.229142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021939observed a709a83e2f739bfaf199f3c49ac43610...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:36.211828Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021939/manifest.jsonobserved 695b07c9a00abeb72146e540355427f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:36.193964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021939/publication.mdobserved 22ef45cee8b02afa64ed49c96563d712...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:36.176088Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021939/publication.txtobserved 01593129341f0ba7831386289eea6ca5...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. |
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