OT-2026-000028807
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000028807) never changes.
Identity and time
| Publication number | OT-2026-000028807 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7aa2-a9c7-85f6d7b3be96 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028807 |
| Status | PUBLIC |
Content hashes
| Canonical text | d6cc40aa70aecfa3c7ee023ff6254c23f21322c6c580be737f8ca4bac67f6e2d |
|---|---|
| Markdown | 400ac9b61d1329f4bea470d85b910df22efc823a5cdac6e647db536f287b9684 |
| Publication page | 2bffc8f790fa7aa144150a46d596aef29459d809f9419ad9f934ea45d2bb4ce2 |
| Manifest | 614cdb500f3bae7e37b6e59838cc621c06b441fd0250c03d9f95a3e3cb346ab0 |
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 | 7hm/yOyQ7oDJARdtFggSVqIsHooAxUAlVoMQ2/VBW0B0oVUCPYovhwXQ87sVDhtuwDot4Cx5cjPs5woKjrb1CA== |
| 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
| 2026-09-17T11:40:04.126670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028807observed 2bffc8f790fa7aa144150a46d596aef2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:04.101015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028807/manifest.jsonobserved 614cdb500f3bae7e37b6e59838cc621c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:04.071487Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028807/publication.mdobserved 400ac9b61d1329f4bea470d85b910df2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:04.052099Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028807/publication.txtobserved d6cc40aa70aecfa3c7ee023ff6254c23...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. |
|---|