OT-2026-000020203
Publication integrity record
Foam pad vacuum gripper, four zone face, plant vacuum fed, pulsed blow-off before set-down, on a tool changer
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-2026-000020203) never changes.
Identity and time
| Publication number | OT-2026-000020203 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7f10-a5f7-0899cb441542 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020203 |
| Status | PUBLIC |
Content hashes
| Canonical text | 938aa7b5972d31d09b3cd02e73bd1cde749bfdb570e226f9f929755fb9d0e1f2 |
|---|---|
| Markdown | ddb0469f725a1d852dc4b5c6a243bd309fdc779c571587d26c3f630d91a76a9e |
| Publication page | a322c12d62336576534d95e88b0dbec1f011ea2936f9c27f9eb54a1b690db8bb |
| Manifest | 5412d48e20b97165c21ceb80afe2ebcc8465d6bbeac6a1174345a8bbc792d7ee |
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 | yVwTHXaCVkbzkDKbaUyJL9jr1x4q1xLsO2/QAmv+eo27dzsmOrhVwcRr/aT37SHQtVh2Dib5wnxIXRHWUuuVAw== |
| 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
| 2026-09-17T11:56:32.241921Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020203observed a322c12d62336576534d95e88b0dbec1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:32.223460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020203/manifest.jsonobserved 5412d48e20b97165c21ceb80afe2ebcc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:32.205136Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020203/publication.mdobserved ddb0469f725a1d852dc4b5c6a243bd30...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:32.184781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020203/publication.txtobserved 938aa7b5972d31d09b3cd02e73bd1cde...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. |
|---|