OT-2026-000018416
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000018416) never changes.
Identity and time
| Publication number | OT-2026-000018416 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-b489-78db-b268-953713148816 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:45.971508Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018416 |
| Status | PUBLIC |
Content hashes
| Canonical text | f175384acca34571731db7ee4e3f03deff27c28f7879fd1844390ecac28ae04d |
|---|---|
| Markdown | 1c61ffaf4e8bc3c2fcead32dfaaf2de2671967fb6514f9e4bfa6b80d10981270 |
| Publication page | a006bbc177a8632d39e2086fc9997854f05e4a20078d64fa106e6b4adcd2e9b5 |
| Manifest | 6ebe1468cc1e8cafc6ee3665ac2a6830fbc3d8832717c1ae472d789f8b3517da |
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 | VZj3yonsnA+YmefbCrzHbQrnDnQ2Lwo1VyUsyv5jr0rMNT5J00HmwBFTCnENU3ho7wT9HGUhW1h7i77BdXUpDQ== |
| 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
| 2026-09-17T12:01:09.784490Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018416observed a006bbc177a8632d39e2086fc9997854...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:01:09.768263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018416/manifest.jsonobserved 6ebe1468cc1e8cafc6ee3665ac2a6830...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:01:09.751289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018416/publication.mdobserved 1c61ffaf4e8bc3c2fcead32dfaaf2de2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:01:09.734621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018416/publication.txtobserved f175384acca34571731db7ee4e3f03de...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. |
|---|