OT-2026-000003801
Publication integrity record
Porous face vacuum gripper, three zone face, ejector fed, 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-2026-000003801) never changes.
Identity and time
| Publication number | OT-2026-000003801 · never reused |
|---|---|
| Internal UUID | 01a0a90b-19ae-76e4-b87d-a63a273d868b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:52.113024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003801 |
| Status | PUBLIC |
Content hashes
| Canonical text | 499858c2713c345126fb0804371b7f6ee31697d1dbb9ca4ca3eba07967ba47c8 |
|---|---|
| Markdown | 7e0699bbeffe3159b86ae998990801c0ca5ca2b70ec908ad010dfb22880682b8 |
| Publication page | b8040e6a148cc334d0c92e77ae567d5f0feeedd92f6a5264fd766bada378b5fe |
| Manifest | 5a55faead21a301adeee06cd352fba2a2bd29f87a10774ccd8d9c96923f93256 |
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 | 3hv6qDwwf+cyMUX/H3cWvYyPteGc0mk+EcDEFMeqyq1mphxV2IsX0Yac/wE3Or39hRDi1vEGOw5hmaCdsV/yCA== |
| 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
| 2026-09-16T07:10:19.545604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003801observed b8040e6a148cc334d0c92e77ae567d5f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:19.531453Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003801/manifest.jsonobserved 5a55faead21a301adeee06cd352fba2a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:19.516574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003801/publication.mdobserved 7e0699bbeffe3159b86ae998990801c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:19.499481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003801/publication.txtobserved 499858c2713c345126fb0804371b7f6e...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. |
|---|