OT-2026-000004817
Publication integrity record
Porous face vacuum gripper, three zone face, two stage ejector, pressure verified at each zone
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-2026-000004817) never changes.
Identity and time
| Publication number | OT-2026-000004817 · never reused |
|---|---|
| Internal UUID | 01a0a924-465e-7c7a-90b7-f4f9a92f2e26 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:35:21.952629Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004817 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9900f3982a9be5689d4bc2a289540c123d4d59f53ddba36ee8b87575f41201fd |
|---|---|
| Markdown | de8fbf7a464c5bea1385b20fd935aa49ef86fdc515fa026c99d78a91d820a241 |
| Publication page | 109dac338461798db39d6a5e911688c75e3371f5cefc7b9a676adebe169139c5 |
| Manifest | 94f40033083225e73806d869b903c18d0c49b486f44682cc76f161d200a94ba1 |
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 | Wr+rRgyXw5MuHj79mQNwYChuzH65ZDub5FYaMo8h7I/Yhxkfa22sO2DXcsY1gFpMtGT1NdoJB5S5Eqc0rzt7DQ== |
| 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
| 2026-09-16T07:40:15.901548Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004817observed 109dac338461798db39d6a5e911688c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:15.885298Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004817/manifest.jsonobserved 94f40033083225e73806d869b903c18d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:15.870407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004817/publication.mdobserved de8fbf7a464c5bea1385b20fd935aa49...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:15.731830Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004817/publication.txtobserved 9900f3982a9be5689d4bc2a289540c12...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. |
|---|