OT-2026-000028235
Publication integrity record
Two 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-2026-000028235) never changes.
Identity and time
| Publication number | OT-2026-000028235 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a521-7793-a222-ee83f21dd44c · 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-2026-000028235 |
| Status | PUBLIC |
Content hashes
| Canonical text | a57a16c755821510cf2bbe337119e3304a1bcbd820f83f3575d29ac5c859036d |
|---|---|
| Markdown | 4b23e7538bb29ee9226363ec2ecf0121effa256c06ff5f02e781d060c69d2359 |
| Publication page | 94b8e5ea5620b44177b64c8c25bbe817470b0ba88f04458eb28743d456337dba |
| Manifest | 764e534ca7b2714cdae927647921b08cb19fd769c739f90f5035d2bcbac7d627 |
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 | jUi5msWIyKl8gPP3Qe7wZyOpfj13TA3aOuX/BoSPpEzz8FqiC8vTtB2qlUriBBX85V7RJ9qxUTqnJe9xepzuDA== |
| 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
| 2026-09-17T11:42:36.104721Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028235observed 94b8e5ea5620b44177b64c8c25bbe817...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:36.088151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028235/manifest.jsonobserved 764e534ca7b2714cdae927647921b08c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:36.072566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028235/publication.mdobserved 4b23e7538bb29ee9226363ec2ecf0121...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:36.057444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028235/publication.txtobserved a57a16c755821510cf2bbe337119e330...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. |
|---|