OT-2026-000090520
Publication integrity record
Four cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, sustained 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-2026-000090520) never changes.
Identity and time
| Publication number | OT-2026-000090520 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2f-7bbb-bd02-3d6d0118636e · 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-2026-000090520 |
| Status | PUBLIC |
Content hashes
| Canonical text | 84462c10ee52237269cc423d5c1bed8168e44338f095ba2b705d1fe0ef58d845 |
|---|---|
| Markdown | 468790a8c6caf98394ab170cf647f425c2dba42fb0f89ad90120bd4683c8a671 |
| Publication page | 456ad7aea2a93177c5b89192df3db160edb35fda4d5a454b5cb06b2ab7462aa1 |
| Manifest | ecf680479ea7ffd5974e21cfb45f87561bb5104f628d70e6ec2d2e98b713e9e0 |
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 | wsub3bomBp7OO2SLTsDS/2mBKs8zcUQpok4sSWSV5tgrrAVEVl5rvNE7f9pCdjsUbY9rB/LQiWYgYYafuPDnAg== |
| 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
| 2026-09-17T09:44:41.265715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090520observed 456ad7aea2a93177c5b89192df3db160...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:41.245735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090520/manifest.jsonobserved ecf680479ea7ffd5974e21cfb45f8756...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:41.227309Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090520/publication.mdobserved 468790a8c6caf98394ab170cf647f425...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:41.207521Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090520/publication.txtobserved 84462c10ee52237269cc423d5c1bed81...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. |
|---|