OT-2026-000028223
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000028223) never changes.
Identity and time
| Publication number | OT-2026-000028223 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a521-787a-bc65-5fa5a78b6346 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028223 |
| Status | PUBLIC |
Content hashes
| Canonical text | eff6f223d514c2ba07dac3dd1f26c1f9d0d544af7193410cc3718dc36f0428b2 |
|---|---|
| Markdown | 2ce3f6fabbf15a648cba2c5c743eb52b123ad26049bcdf9f1b315340a3458726 |
| Publication page | dafbbe68e862c995d612f3bd47865945b15d584ee3f2889399a7f9c5a3f54408 |
| Manifest | fae75c2fe1143cb59602b55ae113fd550f800f5173f40e8c2304f1194c623079 |
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 | p+uvU1mgi8CdIcBY6U5VU6n9dINQIE3wPj3AIcUNNpEkpQo/x2XvvhIj2OJk5334BZbG145ugrJMYf5LF1MxCg== |
| 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
| 2026-09-17T11:42:35.231264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028223observed dafbbe68e862c995d612f3bd47865945...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:35.213844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028223/manifest.jsonobserved fae75c2fe1143cb59602b55ae113fd55...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:35.196886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028223/publication.mdobserved 2ce3f6fabbf15a648cba2c5c743eb52b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:35.181465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028223/publication.txtobserved eff6f223d514c2ba07dac3dd1f26c1f9...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. |
|---|