OT-2026-000028699
Publication integrity record
Foam pad vacuum gripper, four 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-2026-000028699) never changes.
Identity and time
| Publication number | OT-2026-000028699 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-766f-8636-972f6edf315f · 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-2026-000028699 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7f6674dd462e04fb26c0c7f30af47a57fd31adc319d0a9a0ec4be3cb408aabd4 |
|---|---|
| Markdown | f17e1d0bb07b20e34413e2b9cf435b2e170d2fd93ead22639a0e5410e5949933 |
| Publication page | 807a746e35fbf53de4828ee1209dc5b451495864023b4c7a249474809b6a81ae |
| Manifest | e697fd830fdd502a7a1bcabe381b7d6a027454f3db69106e789269f2c8d20990 |
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 | WuzwiHFXIVRjMh677pDKPTU/tbjq/LDh8tcLI6c2H1XMs/ewh/2km3iZ9e3m07kE1QJkYu3MKWVXC+BQ2r9TCQ== |
| 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
| 2026-09-17T11:41:41.802616Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028699observed 807a746e35fbf53de4828ee1209dc5b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:41.777378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028699/manifest.jsonobserved e697fd830fdd502a7a1bcabe381b7d6a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:41.753890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028699/publication.mdobserved f17e1d0bb07b20e34413e2b9cf435b2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:41.732433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028699/publication.txtobserved 7f6674dd462e04fb26c0c7f30af47a57...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. |
|---|