OT-2026-000028315
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000028315) never changes.
Identity and time
| Publication number | OT-2026-000028315 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7034-aff8-533b5f410c2d · 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-2026-000028315 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9fa7e9c78b01a897eae26541b3b1987bb8e0cce817b7bd7c3dd23c7f5e8a4f45 |
|---|---|
| Markdown | 5c64fb53bf9b5ee3d0ab465ee0eb00b86dbba5d1d2099fda9be318077903c0ca |
| Publication page | 0893edb83253127ec083aba18e7d81af9c0ba0aace504ebce65101cfb23bf68c |
| Manifest | 0b18e0bbb715fa136c0243074b573ae3215887b7f29ff9539bc62ddc7b8bb51f |
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 | oG41/sxswRxI1T3rFU20/J+XaeXoWhWWwt7N+QbYUvoEuc9sAueL7Et2xxRrHgXp8SIw0Dj6nlEkhCOabWnGAg== |
| 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
| 2026-09-17T11:40:18.712834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028315observed 0893edb83253127ec083aba18e7d81af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:18.696319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028315/manifest.jsonobserved 0b18e0bbb715fa136c0243074b573ae3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:18.676893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028315/publication.mdobserved 5c64fb53bf9b5ee3d0ab465ee0eb00b8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:18.659473Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028315/publication.txtobserved 9fa7e9c78b01a897eae26541b3b1987b...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. |
|---|