OT-2026-000090442
Publication integrity record
Four bellows 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-2026-000090442) never changes.
Identity and time
| Publication number | OT-2026-000090442 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-71ea-b27b-7b66e5313d02 · 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-2026-000090442 |
| Status | PUBLIC |
Content hashes
| Canonical text | 656b4f91bf64069b8e29820c251fafcaf7b2d156a3da32423bca4fe2716ef492 |
|---|---|
| Markdown | bd096df891218d60cf165b6fcdc7617f963573d451738033a925ce32e1e36667 |
| Publication page | ef83d24ef4565c4986ffad00e83fcfc9293f6068db8c8db068bdbeae2f246605 |
| Manifest | 4c004d78fdb8fd7131d24e57857ea0cdeacaed8bdf0806123c035be75efb3d83 |
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 | gLr5+xszhX6Tr8i50xztHRTYakEvsOXyn2qTyIpIjAHGOhQxcPQ+JiSPFnAcL43WJJnkWUjDtD7Mt22lYn6gBQ== |
| 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
| 2026-09-17T09:44:33.784459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090442observed ef83d24ef4565c4986ffad00e83fcfc9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:33.766155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090442/manifest.jsonobserved 4c004d78fdb8fd7131d24e57857ea0cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:33.748077Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090442/publication.mdobserved bd096df891218d60cf165b6fcdc7617f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:33.731179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090442/publication.txtobserved 656b4f91bf64069b8e29820c251fafca...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. |
|---|