OT-2026-000090544
Publication integrity record
Four cup vacuum gripper, four zone face, two 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-2026-000090544) never changes.
Identity and time
| Publication number | OT-2026-000090544 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2f-7dde-965a-cf945b3958c0 · 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-2026-000090544 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4904bd68f646b5fb8d4a2907107b037086dbd76a77042fa3d5a8df542e2ec16b |
|---|---|
| Markdown | a431ffea8c2994985b2cadf02d9f7c6aab111d4c6576d72a328ee3eb0bc72fd0 |
| Publication page | 041fcecc2dab66dc15d24bb91af8f6a6eed62859b0cec9f6cc6b07a067eebf25 |
| Manifest | 31bb6478fa0cc2b5e92b7f9c83cc8b50439ea291727bcc3e52858fbcfcd7326c |
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 | PsITYZ86pqrZsTvb32aBzUfFPoF0IpUbSGcm1CdwS/0a8jn6yjt/tOvJ0BFa1ykzt2eLQywNLLgg+XtYiPRkCw== |
| 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
| 2026-09-17T09:44:42.955582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090544observed 041fcecc2dab66dc15d24bb91af8f6a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:42.938534Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090544/manifest.jsonobserved 31bb6478fa0cc2b5e92b7f9c83cc8b50...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:42.921413Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090544/publication.mdobserved a431ffea8c2994985b2cadf02d9f7c6a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:42.902663Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090544/publication.txtobserved 4904bd68f646b5fb8d4a2907107b0370...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. |
|---|