OT-2026-000004949
Publication integrity record
Bellows cup vacuum gripper, four zone face, two stage ejector, contact triggered
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-2026-000004949) never changes.
Identity and time
| Publication number | OT-2026-000004949 · never reused |
|---|---|
| Internal UUID | 01a0a928-d908-74a8-ac22-f330ac76cafd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:40:21.643811Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004949 |
| Status | PUBLIC |
Content hashes
| Canonical text | 11326d095bd6ac477d2e967d92139ca527623279f16b10b186d37bbcc56ea2e1 |
|---|---|
| Markdown | ce7e84dddfc386a38137ce0f6f959a6641bad84e24f6cab0b1e072743ff7f009 |
| Publication page | 1dd40f2b9511724abb93afee990a70cca3970ed439391bb21a2d4b3794e66ee5 |
| Manifest | 5e6762f21d26b0006f31b5406901fc3473f22b60fe8e68f30032b19d35839d8e |
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 | PeywC6kaGHzmiUCZsV5NXtqewfxw2vSDqpNzQBCDS0Xee8OiCqCSHwQ0D55KBKSTj4sC/ZN9QmxAPgthFbZhAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:50:31.946737Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004949observed 1dd40f2b9511724abb93afee990a70cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:31.934510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004949/manifest.jsonobserved 5e6762f21d26b0006f31b5406901fc34...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:31.919308Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004949/publication.mdobserved ce7e84dddfc386a38137ce0f6f959a66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:31.908316Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004949/publication.txtobserved 11326d095bd6ac477d2e967d92139ca5...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. |
|---|