OT-2026-000052191
Publication integrity record
Foam pad vacuum gripper, four zone face, six outlet manifold, 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-2026-000052191) never changes.
Identity and time
| Publication number | OT-2026-000052191 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e790-7784-8efa-0774190f3c70 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052191 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4dd3c196246cb472df854b384626d0255ef0e65f1094a4580d4ad9c6e35ccc12 |
|---|---|
| Markdown | 729a7ae02edc525c50dd5c7e7e403cc706a25df43878379596fa7d0a5d1dc99e |
| Publication page | 5ca48db789a0cecf8c4f0422a8ac3071e34f63e8ba6457943108a9ac943ecef2 |
| Manifest | 33d5fcc2bac27a004840e16e2043312b0a4ed4061d8e99b6558eaf1a1bddb35b |
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 | HGpiGrrgo+VhpEbjGubgUhwu+/lz0dvMSz6sVh1/FYXBGxClrvz/hSEcF8BTOvhF31h36t6xB3gAuiR9stIYAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:45.317578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052191observed 5ca48db789a0cecf8c4f0422a8ac3071...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:45.300462Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052191/manifest.jsonobserved 33d5fcc2bac27a004840e16e2043312b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:45.283903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052191/publication.mdobserved 729a7ae02edc525c50dd5c7e7e403cc7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:45.265671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052191/publication.txtobserved 4dd3c196246cb472df854b384626d025...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. |
|---|