OT-2026-000004288
Publication integrity record
Bellows cup vacuum gripper, three zone face, two stage ejector, pressure verified, contact triggered
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-2026-000004288) never changes.
Identity and time
| Publication number | OT-2026-000004288 · never reused |
|---|---|
| Internal UUID | 01a0a913-35c1-7520-8ee5-f1e3b513a42b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:43.588424Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004288 |
| Status | PUBLIC |
Content hashes
| Canonical text | a5adddbc1363499de8620cc4c4bf27dd9436b09dce6437bea542c475ff1965c7 |
|---|---|
| Markdown | c88336489cb2ff768da562676b18bceea0cc45adab59267d271296b1f3861752 |
| Publication page | 1ee6d353d4b320bb7cba407c5f6324a3a7f7d41bccc894d11fc1457a5f9be2ff |
| Manifest | 6e60f540b8720467d3ee111762af09f6133d5ca83ed1514598562a43670d8f83 |
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 | /yfMKoZQtWfVGHEbrQdrfPBycWsPgFn/b4akBaZG9yQwnm3wJ5+QNzlghNTlDKjACqB/SC0TFu1T3tKfhh01Aw== |
| 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
| 2026-09-16T07:20:14.883993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004288observed 1ee6d353d4b320bb7cba407c5f6324a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:14.869865Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004288/manifest.jsonobserved 6e60f540b8720467d3ee111762af09f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:14.733850Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004288/publication.mdobserved c88336489cb2ff768da562676b18bcee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:14.715511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004288/publication.txtobserved a5adddbc1363499de8620cc4c4bf27dd...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. |
|---|