OT-2026-000028634
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000028634) never changes.
Identity and time
| Publication number | OT-2026-000028634 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7af3-b82b-bedd11e981d1 · 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-2026-000028634 |
| Status | PUBLIC |
Content hashes
| Canonical text | e7b68aa2239c63b7b219a78d264a910d8c88ce9948913674a60224988926af59 |
|---|---|
| Markdown | 296412d95d142236a00639d02d761c2290ec389980abdd9c3e720777ac383a74 |
| Publication page | 90c1989c5655c6a1e448890b2a7fb980df6b8b490c1c005d44cc8747967a4d8d |
| Manifest | cb4ec53795f0e835285628fae9d08f48d320c32adeb567f86a214358ba04c131 |
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 | OTxaCq1TDwq80RkQzMv6y6V7pLaSj7s2YSLGUY6UQU8dXxSEV1INuy3eP7xSpikY8aqCMbOW0mj6AlceKOpQBg== |
| 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
| 2026-09-17T11:41:30.220186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028634observed 90c1989c5655c6a1e448890b2a7fb980...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:30.200052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028634/manifest.jsonobserved cb4ec53795f0e835285628fae9d08f48...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:30.177774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028634/publication.mdobserved 296412d95d142236a00639d02d761c22...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:30.155501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028634/publication.txtobserved e7b68aa2239c63b7b219a78d264a910d...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. |
|---|