OT-2026-000020997
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000020997) never changes.
Identity and time
| Publication number | OT-2026-000020997 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-77eb-ad74-ea667ba0b489 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020997 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1b7e9cf92e47ed064a88efa63ee97165696952c94edcc321022f5edb8700812d |
|---|---|
| Markdown | 1ddecc9e51312f5a07ccd4a9e6422c76e8f1b27633dd4349a7402c9cbc40dd49 |
| Publication page | c5700ba6d951ea05c1832af4d94abbfff9d4cd394bb61146aed3852465b4ae50 |
| Manifest | 424b831f6631e4d43660a20bbb565351e9d89237f05b1ffd163b64da213b4d28 |
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 | LMKpWbNw3LEvM1cmeAjpJxEvnFI6s8lhWppjr6auf5sxjJvYuyy8nmd5w1KkqCFCsTEBnYIePmgY9JvclQ6LDQ== |
| 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
| 2026-09-17T11:56:09.098813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020997observed c5700ba6d951ea05c1832af4d94abbff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:09.080286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020997/manifest.jsonobserved 424b831f6631e4d43660a20bbb565351...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:09.063590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020997/publication.mdobserved 1ddecc9e51312f5a07ccd4a9e6422c76...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:09.047876Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020997/publication.txtobserved 1b7e9cf92e47ed064a88efa63ee97165...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. |
|---|