OT-2026-000004937
Publication integrity record
Bellows cup vacuum gripper, three zone face, two stage ejector, pressure verified at each zone
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-2026-000004937) never changes.
Identity and time
| Publication number | OT-2026-000004937 · never reused |
|---|---|
| Internal UUID | 01a0a928-65d7-7d38-8ca9-7e8695197df3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:39:52.154759Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004937 |
| Status | PUBLIC |
Content hashes
| Canonical text | 016e17189b11dd58b5dc7da3bf3dea051be1a3e40651fcd43c538314d75959cc |
|---|---|
| Markdown | 704590cdd9ff4b77fdc2a0f1799ed8c80f0770120250878d685568f737d6862d |
| Publication page | 8d7c9d752b681638b98470347509dd97250b02785bd7c6d669eb5d3b8fc49646 |
| Manifest | cef8895d718c8c1a870755a5c2e957936345a0da2e41191f2372a1b86e30ab12 |
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 | +em8caYhcF6iLVQ5Y36y2bzo8SNm1dD1vlbkXw/PASZB0hzPAwLzl6ze8pCoSVjWtpgkCVk6Ev7Oj+9utlJOAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:02.687452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004937observed 8d7c9d752b681638b98470347509dd97...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:02.675271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004937/manifest.jsonobserved cef8895d718c8c1a870755a5c2e95793...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:02.662556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004937/publication.mdobserved 704590cdd9ff4b77fdc2a0f1799ed8c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:02.649433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004937/publication.txtobserved 016e17189b11dd58b5dc7da3bf3dea05...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. |
|---|