OT-2026-000028239
Publication integrity record
Two cup 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-2026-000028239) never changes.
Identity and time
| Publication number | OT-2026-000028239 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a521-71b4-ae13-384fe9121bfa · 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-2026-000028239 |
| Status | PUBLIC |
Content hashes
| Canonical text | 763911bef3032c6fe0e5c4ad605254eb6d4bcb2908f1392947e0e689ad874ecf |
|---|---|
| Markdown | 6432aac702b747568785d3283a17ee7e9b1b8500f497aed1c3ca9696968843b2 |
| Publication page | a9880ea9b5f292662e9a72ca0c2361a24c78ca022c5a1bd41a65b16fefa8b398 |
| Manifest | 0241c6f65f2e2d6d846e71cc09c0421fd64638fee4f3b84e9b6e9b4a5054499e |
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 | Mo8SNHVUok7EVm8W6jAW8MDjH9ARL5pVhOCEGbGcCp6R5y2SGtkwS/NbuNjAh0RQY0DSpltiMbybi7yiDkCODw== |
| 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
| 2026-09-17T11:42:36.381296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028239observed a9880ea9b5f292662e9a72ca0c2361a2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:36.363824Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028239/manifest.jsonobserved 0241c6f65f2e2d6d846e71cc09c0421f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:36.348087Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028239/publication.mdobserved 6432aac702b747568785d3283a17ee7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:36.333188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028239/publication.txtobserved 763911bef3032c6fe0e5c4ad605254eb...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. |
|---|