OT-2026-000005394
Publication integrity record
Porous face vacuum gripper, two zone face, plant vacuum fed, pressure verified, 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-2026-000005394) never changes.
Identity and time
| Publication number | OT-2026-000005394 · never reused |
|---|---|
| Internal UUID | 01a0a937-a530-7b02-9338-c8b607b396a0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:56:31.411090Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005394 |
| Status | PUBLIC |
Content hashes
| Canonical text | 574e30d82c372f361106880340db332fb55275d7034268ff8b98e103a144fbc6 |
|---|---|
| Markdown | 189baa735438b9ce53b39ee2946fc5ab0c0d58171c1f884bbcc0dd86b32a7b60 |
| Publication page | 38f045d40d917e5f6ac081af2d73c41482089422f3dcc1dc7e7ae96ff5b320a7 |
| Manifest | 7e7437f27d67c3cc6d13628c24e2ef068192ac7e89411d91f9a4af928ff7e681 |
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 | 6/j8kv34XZRfS4V43VyZ6DV6sgUzUk96E1i48ep2G7RZUPB3h21B//H1e30VnayVZ1+i7YKa6U0b+wn0570gDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:14.631291Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005394observed 38f045d40d917e5f6ac081af2d73c414...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:14.494412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005394/manifest.jsonobserved 7e7437f27d67c3cc6d13628c24e2ef06...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:14.477832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005394/publication.mdobserved 189baa735438b9ce53b39ee2946fc5ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:14.464455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005394/publication.txtobserved 574e30d82c372f361106880340db332f...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. |
|---|