OT-2026-000075641
Publication integrity record
Two bellows cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, 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-2026-000075641) never changes.
Identity and time
| Publication number | OT-2026-000075641 · never reused |
|---|---|
| Internal UUID | 01a0ae94-29fd-720f-8776-2190d9c1821e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:40.814795Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075641 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3aa8897fa3f5664578d5d81c5381b0379f53d53dc89ac46038ecae32afbcdc29 |
|---|---|
| Markdown | 89e85c8d7454066a6af8266c95cc61a5e3a864b426170dd6ac1c13d8f69c8ca4 |
| Publication page | 1650b8ce676791e18af8332e96c943108c64e4dd2d5617c76ae6bcdef82105e7 |
| Manifest | 7c98b7009090b8072f5b48e16bb0beebd48eba9360170711ddd58a39d3c243f5 |
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 | 2Li04fcEub7SBeivoy8vL2tMONaAAN/CogMYJyDXodr+11/PHxLECKMs2z18d6PoWhTxGgzdWbrtPHI4Rk+wDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:13:34.746885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075641observed 1650b8ce676791e18af8332e96c94310...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:13:34.710099Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075641/manifest.jsonobserved 7c98b7009090b8072f5b48e16bb0beeb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:13:34.544391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075641/publication.mdobserved 89e85c8d7454066a6af8266c95cc61a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:13:34.510480Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075641/publication.txtobserved 3aa8897fa3f5664578d5d81c5381b037...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. |
|---|