OT-2026-000028219
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off before set-down
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-2026-000028219) never changes.
Identity and time
| Publication number | OT-2026-000028219 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a521-7c83-8318-24653e6c535e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028219 |
| Status | PUBLIC |
Content hashes
| Canonical text | fb7176ddfd8989fd4f47767af6d093f46e24d6f038e42275370b4cb14f323015 |
|---|---|
| Markdown | 59dca26c7e75e2acf5d9c11574d6be74087d3fce8f2f68e735261e6eadff832b |
| Publication page | 2b9e811ee8f0e22d5c5e296dbba79cb07f0af2d6e0600afa7d9375e005e90e20 |
| Manifest | faa576c97d6ac0006b0a148b8992ed81f63f39a2fe8882193e05d0408df20ad0 |
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 | hb5y9PC0weTMsxqR094wEDQUMw1Mx+UdF839iXMJdzkzFa+TCgqf5uv56UfpuiO7/50ebykHywOJm3CoiOtqCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:42:26.713532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028219observed 2b9e811ee8f0e22d5c5e296dbba79cb0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:26.697742Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028219/manifest.jsonobserved faa576c97d6ac0006b0a148b8992ed81...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:26.680853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028219/publication.mdobserved 59dca26c7e75e2acf5d9c11574d6be74...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:26.664784Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028219/publication.txtobserved fb7176ddfd8989fd4f47767af6d093f4...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. |
|---|