OT-2026-000004811
Publication integrity record
Porous face vacuum gripper, four zone face, per zone isolation, two 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-2026-000004811) never changes.
Identity and time
| Publication number | OT-2026-000004811 · never reused |
|---|---|
| Internal UUID | 01a0a924-1795-7665-9f50-4c881248a18f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:35:09.976378Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004811 |
| Status | PUBLIC |
Content hashes
| Canonical text | 459d40617aeaf285e7b29a3a960935a3aac2488b7f6aff2134b85bdc0a4abac7 |
|---|---|
| Markdown | 71ca60d1429040df49340f51837729870d24bea31041e97fec71df1656582f82 |
| Publication page | e1bfc5c5669e332d82df007d6f847433b2e9b5d6c9372ded0f94285d833c1c5a |
| Manifest | 3a605e46d1a735cd648ee7e29077c5cc8763796678c0ddc46bea6046b8fd86f4 |
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 | /gF8ovpt/wV7rzhfh/rXfQs6+/0unoDQK2ntyz/fa8AOlkSQ5YXWxtEmPos1x8gatHxuRr3ilDGjdqErfMEgDw== |
| 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
| 2026-09-16T07:40:16.482726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004811observed e1bfc5c5669e332d82df007d6f847433...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:16.468888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004811/manifest.jsonobserved 3a605e46d1a735cd648ee7e29077c5cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:16.455273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004811/publication.mdobserved 71ca60d1429040df49340f5183772987...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:16.442537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004811/publication.txtobserved 459d40617aeaf285e7b29a3a960935a3...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. |
|---|