OT-2026-000004395
Publication integrity record
Porous face vacuum gripper, three zone face, two outlet manifold, two stage ejector, pressure verified
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-2026-000004395) never changes.
Identity and time
| Publication number | OT-2026-000004395 · never reused |
|---|---|
| Internal UUID | 01a0a916-3307-74ef-a9d0-ee5457e9cd99 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:19:59.498525Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004395 |
| Status | PUBLIC |
Content hashes
| Canonical text | bba47a0e14303b8f5586199ae4425fba0aeaa0113d9a7dcad82aa4e08e8b6f1d |
|---|---|
| Markdown | c37f19bb8fcba2c3f59b233487ca55555d5446543decdaf16987ccd325f09966 |
| Publication page | 3e4c17c4ad9dbb59843bad359fae90616c518816c16c5e483d598a4a6aaf8c34 |
| Manifest | 339b787cf0fb088c6fb9bcbc0ace44f3cd2be95f7bf3cec7b3f71f462ea32368 |
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 | E+G+FvvYUfRwW36NtPqN8KeDos+R7PWh5x3SQtNF5oAP42NHnwTbeGCJt0Gr+ZxxQf4tsSl1FbSw/9xdvZAtCw== |
| 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
| 2026-09-16T07:20:02.646576Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004395observed 3e4c17c4ad9dbb59843bad359fae9061...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:02.628751Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004395/manifest.jsonobserved 339b787cf0fb088c6fb9bcbc0ace44f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:02.498023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004395/publication.mdobserved c37f19bb8fcba2c3f59b233487ca5555...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:02.451773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004395/publication.txtobserved bba47a0e14303b8f5586199ae4425fba...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. |
|---|