OT-2026-000020271
Publication integrity record
Foam pad vacuum gripper, four zone face, pump fed, 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-2026-000020271) never changes.
Identity and time
| Publication number | OT-2026-000020271 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-72d0-a8c2-a201e93a4eab · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020271 |
| Status | PUBLIC |
Content hashes
| Canonical text | 59fcf3f68a5d538434df97872ac0a60fd33f53e034686643c955a29af39caa2c |
|---|---|
| Markdown | 7523df175c2bd638563c738fbd022caaf32564d40acaf5c70d89d54e6ca2f165 |
| Publication page | 0b2975fecfd5d2486e7bb197ca4c623d8a54658171a7fd2d3b4cdb3421e3ff66 |
| Manifest | 9b5cef4303b8334b35a40115f121bf4d07c795bf9e7cd5282d4837b34d96a366 |
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 | NGYnvZ7nYhriX/ygxpan6gKPpIn9OaYXuOyH1Md7oX97K5AkoM0EusIZOEu/npAQBBpWhRs8h45QIn/iMtnMDA== |
| 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
| 2026-09-17T11:56:37.260210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020271observed 0b2975fecfd5d2486e7bb197ca4c623d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:37.242394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020271/manifest.jsonobserved 9b5cef4303b8334b35a40115f121bf4d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:37.223886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020271/publication.mdobserved 7523df175c2bd638563c738fbd022caa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:37.205003Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020271/publication.txtobserved 59fcf3f68a5d538434df97872ac0a60f...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. |
|---|