OT-2026-000005416
Publication integrity record
Porous face vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000005416) never changes.
Identity and time
| Publication number | OT-2026-000005416 · never reused |
|---|---|
| Internal UUID | 01a0a938-5265-712a-94d6-3c099afc1d7f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:57:15.872012Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005416 |
| Status | PUBLIC |
Content hashes
| Canonical text | 21cb29db69096d4fb118e9bd3be0abad8be670d4dd31e18944c1d20bac01f3f3 |
|---|---|
| Markdown | f7327f9d22b8ce9aa6a73fb40fa70d22b87df194fb9bece23c648a99006c0609 |
| Publication page | 7770da12942ca4969d76b08f151f6096a29d5ddf9787eaf9577b0207c7280363 |
| Manifest | 9fca26e976649512b28c59e6233492ac7e1db6a185f2593f3f3c9170882f8004 |
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 | NahqN40pvkvEky14xnSanI75muiS87fgjYdw6GaZmIeOgWBn/b7lnW9E75EGq6Q9vmWdCiu88oU/hC/TyzjoBw== |
| 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
| 2026-09-16T08:00:12.143175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005416observed 7770da12942ca4969d76b08f151f6096...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:12.129835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005416/manifest.jsonobserved 9fca26e976649512b28c59e6233492ac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:11.991303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005416/publication.mdobserved f7327f9d22b8ce9aa6a73fb40fa70d22...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:11.974510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005416/publication.txtobserved 21cb29db69096d4fb118e9bd3be0abad...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. |
|---|