OT-2026-000028027
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000028027) never changes.
Identity and time
| Publication number | OT-2026-000028027 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-7ed8-a4ac-6bfac4cb3406 · 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-2026-000028027 |
| Status | PUBLIC |
Content hashes
| Canonical text | eee8307b087ef06d3e0b4cab26b93fe8581b2d8b7499d60627787e35ed3a0e59 |
|---|---|
| Markdown | 375563f9503d7b0b383d2279011047964a8e6811b0cc103ec996aad2821587ca |
| Publication page | 7628df4fca9f0f2db4688cffa703b65a7e86a1ed317fcbfedae848f19340a3a9 |
| Manifest | 66d94502a807ae00a8642a6edda1f5617b5a4ddb656d8b19ef605f2a2d8aad59 |
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 | S21oZVpZFABXQNqKtMJTTmErenUkJaQEdpZkmu8LqnZFInIO57vnwTI0Hdhvre0DKLIm+tXyGJOjCaeuo/CgDw== |
| 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
| 2026-09-17T11:42:12.713709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028027observed 7628df4fca9f0f2db4688cffa703b65a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:12.696408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028027/manifest.jsonobserved 66d94502a807ae00a8642a6edda1f561...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:12.681398Z | HTTP 502 · ERRORhttps://opentechnical.org/p/OT-2026-000028027/publication.mdobserved ...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:12.663761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028027/publication.txtobserved eee8307b087ef06d3e0b4cab26b93fe8...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. |
|---|