OT-2026-000090327
Publication integrity record
Foam pad vacuum gripper, two zone face, pump fed, pressure sensor per zone, sustained blow-off before set-down
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-2026-000090327) never changes.
Identity and time
| Publication number | OT-2026-000090327 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2c-7892-9416-0ad7da0b3bb4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090327 |
| Status | PUBLIC |
Content hashes
| Canonical text | e86d7d61753f2050235956b18cb77582cb57285fdb201d983494ace2523a6d56 |
|---|---|
| Markdown | d6119e7337d2fad9a8027968262cf19d43167478b504254037a78a174a89c690 |
| Publication page | 52871c3abf3091ed04eb961a53bf7e9df9c6f8c85d249f70afe519a48703b26e |
| Manifest | 20c4b9311945fdefabeda28e23269dcb6c7640bf5744ef1791a3655192667fc8 |
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 | EVTD2nI3buSw4Jgrjg0FJ9aFEfcgp+aLCno+DKz++xTAly0I03B/fejD85v7Z8O20iUjPLCtj8rpJP0PMNClCw== |
| 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
| 2026-09-17T09:44:24.851854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090327observed 52871c3abf3091ed04eb961a53bf7e9d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:24.834774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090327/manifest.jsonobserved 20c4b9311945fdefabeda28e23269dcb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:24.817740Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090327/publication.mdobserved d6119e7337d2fad9a8027968262cf19d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:24.801190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090327/publication.txtobserved e86d7d61753f2050235956b18cb77582...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. |
|---|