OT-2026-000028643
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, pump 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-2026-000028643) never changes.
Identity and time
| Publication number | OT-2026-000028643 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-79ad-bd91-202de0c8e142 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028643 |
| Status | PUBLIC |
Content hashes
| Canonical text | a79ca36951840510e123cab01ac170fe2a4e49168eb69eefd6b861be2571ae2e |
|---|---|
| Markdown | 622df5a1f6acfe4a8aa27020f48d39c5923b71c09aea07423ccf7c711a633683 |
| Publication page | de7a6b06660d8a6431ee103dc9472dc3253534e1cd27a28d5e3441fd37754583 |
| Manifest | fe0790b1a08cbad949c85c56c8da922aba2dcc7bc6d75daacd80fefb36b0a6d9 |
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 | PaesTZdeuSr6xTj49MfHiy5FLAxmpzcLgg7tenUpS7VuPtyT846I0j6L15dPMJp2t0UG4BqyGs0M9VfS1sxpDQ== |
| 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
| 2026-09-17T11:41:30.941780Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028643observed de7a6b06660d8a6431ee103dc9472dc3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:30.921009Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028643/manifest.jsonobserved fe0790b1a08cbad949c85c56c8da922a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:30.903364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028643/publication.mdobserved 622df5a1f6acfe4a8aa27020f48d39c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:30.884646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028643/publication.txtobserved a79ca36951840510e123cab01ac170fe...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. |
|---|