OT-2026-000012857
Publication integrity record
Single cup vacuum gripper, 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-2026-000012857) never changes.
Identity and time
| Publication number | OT-2026-000012857 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5563-7bed-ae9d-91aabc9a2072 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012857 |
| Status | PUBLIC |
Content hashes
| Canonical text | 098e4406b55ed99e900c43c9a7fbfa77502088bf993312af99874a67027ee2d4 |
|---|---|
| Markdown | 93b763ab1d09edf967c64607ba554cf15d1cb9e95048b7a081fe46563862db6f |
| Publication page | 4abe957f472eccb54c1c6bff107adf3a25225fbbd2cf5f2f07b1906cb1c4550d |
| Manifest | 9e3add115ff0d1665ab6ceb37a123b9d0860ceb3afdd29c37f1a8a2adb766580 |
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 | QIH6/OUftURl95wH2arFtDNv+QEtTYXWprpsfxQQxqWjMz9dicw+AYz663u/BOirrxPf0q+njFwrJmTYIPg8Dg== |
| 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
| 2026-09-17T12:10:10.450570Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012857observed 4abe957f472eccb54c1c6bff107adf3a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:10.431489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012857/manifest.jsonobserved 9e3add115ff0d1665ab6ceb37a123b9d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:10.412542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012857/publication.mdobserved 93b763ab1d09edf967c64607ba554cf1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:10.376605Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012857/publication.txtobserved 098e4406b55ed99e900c43c9a7fbfa77...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. |
|---|