OT-2026-000004498
Publication integrity record
Porous face vacuum gripper, three zone face, pump fed, pressure verified
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-2026-000004498) never changes.
Identity and time
| Publication number | OT-2026-000004498 · never reused |
|---|---|
| Internal UUID | 01a0a919-fe69-7e4d-94ee-fa304c0a6972 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:24:08.171697Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004498 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6ce41f8c7cfd2afdf0f73c938d1333e23f6a0e83739d084f0ede93e70e873f90 |
|---|---|
| Markdown | 85a5a9d5219c8b09844ae2c1d50236940add811fa518c8026ebec0a1606dc1b6 |
| Publication page | a8d2349de80e47d903095b8707766f3734ac4c5ffd4a47c5e979c4b8db9c75a2 |
| Manifest | 2f1df2a7798fa14ead550e177ec839cc00104393e0cd7675b3267b8fce115e24 |
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 | SInFLxthjG5CjFcCbo+JvE5877KoLTQmUFenlvTzvkGArpOCxuuLDksTuKpoyTj4dgB6CmCDRwwnUUCxyCqSCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:21.191682Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004498observed a8d2349de80e47d903095b8707766f37...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:21.179953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004498/manifest.jsonobserved 2f1df2a7798fa14ead550e177ec839cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:21.167352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004498/publication.mdobserved 85a5a9d5219c8b09844ae2c1d5023694...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:21.155527Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004498/publication.txtobserved 6ce41f8c7cfd2afdf0f73c938d1333e2...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. |
|---|