OT-2026-000004721
Publication integrity record
Bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector
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-2026-000004721) never changes.
Identity and time
| Publication number | OT-2026-000004721 · never reused |
|---|---|
| Internal UUID | 01a0a921-3ae4-7177-a521-13f92a14ec95 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:32:02.407038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004721 |
| Status | PUBLIC |
Content hashes
| Canonical text | 84de6c5bd962ad42c7ebc961f2475550ec872bda0263e773371b3c7732399cf6 |
|---|---|
| Markdown | 1b736757b064eac5ab95ca2b64ed31e4368cecd26de67ce61f222210d37bd305 |
| Publication page | c64399236dc07f769b69b12a00e806c893fbf62680cf0d5ba4a091dcf2f099df |
| Manifest | a2dbd1e4b89739742f560a06cd6b440fdc977e764aa28b505e6f301b9d44e8e0 |
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 | FM6wMCfdSqKHNDtRUAdkmr/1Fc5cTsGhGCzT9dEoB7s6YDxi8ufLXj8ZP2IwP9QEGol0nYsYS6PqqOsYGX3KDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T08:44:18.421403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004721observed c64399236dc07f769b69b12a00e806c8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:44:18.160623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004721/manifest.jsonobserved a2dbd1e4b89739742f560a06cd6b440f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:44:17.878745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004721/publication.mdobserved 1b736757b064eac5ab95ca2b64ed31e4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:44:17.438148Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004721/publication.txtobserved 84de6c5bd962ad42c7ebc961f2475550...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:25.982143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004721observed c64399236dc07f769b69b12a00e806c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:25.970830Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004721/manifest.jsonobserved a2dbd1e4b89739742f560a06cd6b440f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:25.957278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004721/publication.mdobserved 1b736757b064eac5ab95ca2b64ed31e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:25.941518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004721/publication.txtobserved 84de6c5bd962ad42c7ebc961f2475550...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. |
|---|