OT-2026-000004128
Publication integrity record
Bellows cup vacuum gripper, two zone face, two 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-2026-000004128) never changes.
Identity and time
| Publication number | OT-2026-000004128 · never reused |
|---|---|
| Internal UUID | 01a0a90f-4cd6-7fd9-a4ff-756d294aadfa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:27.353264Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004128 |
| Status | PUBLIC |
Content hashes
| Canonical text | b162893f79fa1618b6bcef1cbc12e1b8dcb8b4e83e3ac97536357f7cb1cd596b |
|---|---|
| Markdown | 297b3fbd42e768fd28a0b06749ed7c4e05423de7dd71b25540ed78387793c702 |
| Publication page | 89a7519daf04a67323505d6bc59f70f6e4e069a4e58e47b5671baa4be34b1824 |
| Manifest | 1f715f59c7caff90d97a4deb38b3e6337056263d9982955cc889eaac4d006582 |
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 | CqnHT1lSyz7GTQjdS7ef8RTAEshkY0QTq1N5q/WWxXWbjK7r2ApwTBLBoWmZhJlF8BLS1a4XsCOLPG7LiQTaCQ== |
| 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
| 2026-09-16T07:20:33.419963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004128observed 89a7519daf04a67323505d6bc59f70f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:33.406648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004128/manifest.jsonobserved 1f715f59c7caff90d97a4deb38b3e633...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:33.392964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004128/publication.mdobserved 297b3fbd42e768fd28a0b06749ed7c4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:33.378094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004128/publication.txtobserved b162893f79fa1618b6bcef1cbc12e1b8...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. |
|---|