OT-2026-000003839
Publication integrity record
Bellows cup vacuum gripper, four outlet manifold, pump fed, vented after set down, plastic cups
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-2026-000003839) never changes.
Identity and time
| Publication number | OT-2026-000003839 · never reused |
|---|---|
| Internal UUID | 01a0a90b-3691-7c7f-b8f6-f1e969b771c4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:59.508419Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003839 |
| Status | PUBLIC |
Content hashes
| Canonical text | b4f4e28a300e1b427f0704cf52562f945dc09a8eca4d4f281034f454f9836779 |
|---|---|
| Markdown | 34bada9f495ca032a767d94dc9761391949a1fc8087e5f04d1271a07e6fd3562 |
| Publication page | a5880ae5f673e460ef61151d42b25f154642a9372f082f605a05d98871fe685c |
| Manifest | e1e7d9b36544cc9fdf38548483f95f2df9378b409886d055a5de0382febd3e3f |
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 | I0aMbDKDYQj5+CAKyODf9chXv2ted0MvlaHnyKP+w2QGDKbRHHzsNApjpI7Qvl7ydKqZmqTcmgbA9HoyL+tIAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:10:17.270562Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003839observed a5880ae5f673e460ef61151d42b25f15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:17.256080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003839/manifest.jsonobserved e1e7d9b36544cc9fdf38548483f95f2d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:17.242625Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003839/publication.mdobserved 34bada9f495ca032a767d94dc9761391...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:17.227391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003839/publication.txtobserved b4f4e28a300e1b427f0704cf52562f94...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. |
|---|