OT-2026-000028195
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off before set-down
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-2026-000028195) never changes.
Identity and time
| Publication number | OT-2026-000028195 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7bbb-ad49-ac75b0d2f03b · 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-2026-000028195 |
| Status | PUBLIC |
Content hashes
| Canonical text | a7dcd23ae3fff220355dc7ea02654a20b6323e10230c65bef97871aa7642efd0 |
|---|---|
| Markdown | 581e4d3ecc45fad1e0e3c4b5c53c530e9bbed48fc3829311f16f3e753aaa0639 |
| Publication page | 16e171cec48604add6041578a2d13ea5ecc748fc3ad3ae647c4e15d7e5efd2f0 |
| Manifest | 5fef7e4d5ccd5c87d69ac36832d24f42b5ab27c47dcf18a01088ae260bd96ae8 |
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 | 7UlvGohNRt8bVrMrP3WAMrCC8eQlSTHbWJp173qHwmJv62i6IH72FcnNwL5cQeFVrBwP4ktto2XN7UvLm/cfDw== |
| 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
| 2026-09-17T11:42:33.494609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028195observed 16e171cec48604add6041578a2d13ea5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:33.477497Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028195/manifest.jsonobserved 5fef7e4d5ccd5c87d69ac36832d24f42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:33.460187Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028195/publication.mdobserved 581e4d3ecc45fad1e0e3c4b5c53c530e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:33.441454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028195/publication.txtobserved a7dcd23ae3fff220355dc7ea02654a20...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. |
|---|