OT-2026-000004448
Publication integrity record
Bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed
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-2026-000004448) never changes.
Identity and time
| Publication number | OT-2026-000004448 · never reused |
|---|---|
| Internal UUID | 01a0a918-166c-7760-a7b3-6236a26cbb3f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:22:03.248063Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004448 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0d08c27ce005a48b13e2fcb9b055c184f7e655a5c71773dc7d481afed32f1fdd |
|---|---|
| Markdown | 81e2e863fa8fa978c549ea76016a0bb2a15c0968a06662bebc8d7e05ff4bb698 |
| Publication page | f8cf0c8e43193f8ea13dec53f72a403eaa465080d6cb34afc066b69b3b9e6160 |
| Manifest | 142cb5be5654d2b2f60f9aa353b04da8ffde1db0ee3eb9c1712514d143349181 |
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 | BWAln6SZ4Z6dBCO7uTKkWgppR/TWOCnesiKQuW9p3g2rnoVvg+FAb+mH5OLVoELYinBMDOdpJnKUTDy/DstZAg== |
| 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
| 2026-09-16T07:30:26.446637Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004448observed f8cf0c8e43193f8ea13dec53f72a403e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:26.432591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004448/manifest.jsonobserved 142cb5be5654d2b2f60f9aa353b04da8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:26.418550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004448/publication.mdobserved 81e2e863fa8fa978c549ea76016a0bb2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:26.403606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004448/publication.txtobserved 0d08c27ce005a48b13e2fcb9b055c184...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. |
|---|