OT-2026-000003821
Publication integrity record
Porous face vacuum gripper, two zone face, two outlet manifold, pump fed
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-2026-000003821) never changes.
Identity and time
| Publication number | OT-2026-000003821 · never reused |
|---|---|
| Internal UUID | 01a0a90b-2895-7a8e-bdbd-e834d2d0e54f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:55.941919Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003821 |
| Status | PUBLIC |
Content hashes
| Canonical text | dc8f212af531cc945e63cd3e5ed64c5784d5a95d42f29653497d642659202b2a |
|---|---|
| Markdown | 4723297e6def318d3839999aa9b3bdbf4be71c12bb0aef8d7470f5747324271c |
| Publication page | ad52e11b7c396e31edc4bb575ce9d4711f3a526984ab64c548b285a96d289718 |
| Manifest | ab8abe6c8db5c7b945b0b3941e83e23ee1bf7091be0528055745e9f72de76840 |
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 | 92JJ1Vh9eBd0xM411IGuppk0leAxHqL1jDSEG/86wcAgx+rV/QRhxZirxrpO1htnwcTKe8At0VWZ4t9aCBJHAg== |
| 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
| 2026-09-16T07:10:18.361425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003821observed ad52e11b7c396e31edc4bb575ce9d471...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:18.348577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003821/manifest.jsonobserved ab8abe6c8db5c7b945b0b3941e83e23e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:18.336535Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003821/publication.mdobserved 4723297e6def318d3839999aa9b3bdbf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:18.319171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003821/publication.txtobserved dc8f212af531cc945e63cd3e5ed64c57...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. |
|---|