OT-2026-000004214
Publication integrity record
Porous face vacuum gripper, per zone isolation, three outlet manifold, pump fed, 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-2026-000004214) never changes.
Identity and time
| Publication number | OT-2026-000004214 · never reused |
|---|---|
| Internal UUID | 01a0a911-854d-7db0-a4ef-e2d4bb4b111c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:52.880628Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004214 |
| Status | PUBLIC |
Content hashes
| Canonical text | cc1a34ba057fcbb52b2976b45c172c4d05749de3d5bdc6ac433a732c048af52c |
|---|---|
| Markdown | d43d3f1d62b244ed22903eb19ba3b48ad1b56a2a517c99c7a197b8805ab77150 |
| Publication page | 4d15380cc9f2da79f378f086d44f02796ca274e63b8c4453fd872400d38f06d7 |
| Manifest | c0a14d114a8de4d4b76da367a522bced48172360ed37c0229313fe9a798221cc |
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 | VgsA6GnpTNIC4UPmrH6GredzZYlToUbNYjLCVNGAvAfz5KJtAme8adHSicdjkl1fZ+C23Np4k8BwKW5wsYARCw== |
| 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
| 2026-09-16T07:20:23.206599Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004214observed 4d15380cc9f2da79f378f086d44f0279...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:23.191599Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004214/manifest.jsonobserved c0a14d114a8de4d4b76da367a522bced...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:23.176754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004214/publication.mdobserved d43d3f1d62b244ed22903eb19ba3b48a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:23.163918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004214/publication.txtobserved cc1a34ba057fcbb52b2976b45c172c4d...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. |
|---|