OT-2026-000028787
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000028787) never changes.
Identity and time
| Publication number | OT-2026-000028787 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7e1b-b442-f78e115e8fa0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028787 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4010310dca0466ee5eb290c2723970195c788dc11fd2419dcdf871ba7d18d611 |
|---|---|
| Markdown | fa13ce9e1c19c16c282446888cb18477636c9478bc5461a9bdae9f283065396a |
| Publication page | 35938c244a9c08c5354a8ad9dd955f2d8f94f4d08b17c33c9c91c08cb0762c74 |
| Manifest | c664f246578bf200090821034244583d9fdfd8ddcfb67caf7ca7d212c0480a22 |
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 | w4XyXzSr7kbpeappZKq44lEGx55kX4qKRVR8tW72rDE9oj1N5R0Bxd+lwIlrUlcdWExvZosq6xBPSRD13iy2BA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:40:02.343515Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028787observed 35938c244a9c08c5354a8ad9dd955f2d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:02.321599Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028787/manifest.jsonobserved c664f246578bf200090821034244583d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:02.302383Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028787/publication.mdobserved fa13ce9e1c19c16c282446888cb18477...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:02.283970Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028787/publication.txtobserved 4010310dca0466ee5eb290c272397019...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. |
|---|