OT-2026-000028395
Publication integrity record
Foam pad vacuum gripper, three 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-2026-000028395) never changes.
Identity and time
| Publication number | OT-2026-000028395 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7ffd-9ee5-aa8af8faee33 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028395 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1992c75e8748fad8bca3c7bf31112c81399a9a7b3e793b1107b54a3f8f76afca |
|---|---|
| Markdown | e87c31e5b47add059b590ca42c3f884e87f4b29aaaa379fc4e91c0aaeb62260c |
| Publication page | 66715805b731fbd655c7a0580a97ff2de47cfae393287acf768598cd9e02f0db |
| Manifest | 2dfb3a71ab81a12c9135be418bc31073b06556bdc0c5a5094108afaee2798492 |
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 | Esgc7cQ30GBuG0i/6UDup8K/i2daPMaxmHXk/UbNnTkj8B5aQAutJyFOJhvP0mY8pf+JUTPBG5+wEg1LuyGWBA== |
| 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
| 2026-09-17T11:40:31.346464Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028395observed 66715805b731fbd655c7a0580a97ff2d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:31.327590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028395/manifest.jsonobserved 2dfb3a71ab81a12c9135be418bc31073...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:31.309280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028395/publication.mdobserved e87c31e5b47add059b590ca42c3f884e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:31.292202Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028395/publication.txtobserved 1992c75e8748fad8bca3c7bf31112c81...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. |
|---|