OT-2026-000028179
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000028179) never changes.
Identity and time
| Publication number | OT-2026-000028179 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7036-ab29-4a71e5569500 · 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-2026-000028179 |
| Status | PUBLIC |
Content hashes
| Canonical text | 02f6db11e8c3bd486cb663442e21dc60a024ba69278b47e51866790edd563ba1 |
|---|---|
| Markdown | 1f63dcb0d3c049e057acca5ac51278b74e0887b457a33312b9e4c2f1bc62516d |
| Publication page | b674d118b5254919bcf14d5935c9ab8976e5b234fd5242b1e55b06092ba5e040 |
| Manifest | 044a278006b940a62741fa469bade9be0d0b75cd49685bc4ed5eb178155c8137 |
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 | vjy71OTvUWWELsl12V6W0Vy2NV5RFmzIbtZoJVCJ6sofph+pzabrCWr42VDuA37XAKZXzWjnP+BiOVTJBYzpCw== |
| 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
| 2026-09-17T11:42:32.295508Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028179observed b674d118b5254919bcf14d5935c9ab89...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:32.279019Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028179/manifest.jsonobserved 044a278006b940a62741fa469bade9be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:32.261912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028179/publication.mdobserved 1f63dcb0d3c049e057acca5ac51278b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:32.236113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028179/publication.txtobserved 02f6db11e8c3bd486cb663442e21dc60...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. |
|---|