OT-2026-000019439
Publication integrity record
Two bellows cup vacuum gripper, two zone face, 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-2026-000019439) never changes.
Identity and time
| Publication number | OT-2026-000019439 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7714-9b46-d4e04eb9434d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019439 |
| Status | PUBLIC |
Content hashes
| Canonical text | ad492d1e7d6bd5d49140b3b6caf633fd32d8f9288957f0fa0d946424f083eb9c |
|---|---|
| Markdown | 940799e45404faf5b8a8d58a891dbb599161c001fe42de7e7073d1aa02c33719 |
| Publication page | ec0212c862218daeb73bdde3cfc14ba19d125fdef0d07777abff36db75e5898f |
| Manifest | a563b30ae968245937283a4b5d7ac82a78b638ce3435ffdc2e2582fc833e23a7 |
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 | viaO+BxEUQeK7agplnCz/5k+CaWlNs5Jsx52Lvn+U5TlXJ+qj/qbsUEa2GHFCI8pe5RbN9cHIEAFKjRU24IKCA== |
| 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
| 2026-09-17T11:58:50.158292Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019439observed ec0212c862218daeb73bdde3cfc14ba1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:50.139980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019439/manifest.jsonobserved a563b30ae968245937283a4b5d7ac82a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:50.120711Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019439/publication.mdobserved 940799e45404faf5b8a8d58a891dbb59...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:50.103381Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019439/publication.txtobserved ad492d1e7d6bd5d49140b3b6caf633fd...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. |
|---|