OT-2026-000031531
Publication integrity record
Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pulsed blow-off before set-down, on a tool changer
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-2026-000031531) never changes.
Identity and time
| Publication number | OT-2026-000031531 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ae-7314-972b-d8f889f2b101 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031531 |
| Status | PUBLIC |
Content hashes
| Canonical text | fd0a9d5616f967ffc3b443332af4da5d5f855cf85ffe2090bfb7f2bc7ef3a697 |
|---|---|
| Markdown | 591c190a63e0357b78686db289fc16f0097cc77c357b47fc93c2259de22f7e6a |
| Publication page | d7da1f5d1c5e2cecec32ef608f2f7e7baf25706579f026656ea40e799261939e |
| Manifest | 1ea9b476d1c59ca44e37454985e2891bd7386273417fcc8b43c86c632e5cb525 |
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 | +80Nlq1fvz8jDpJ+ZI93WxTw7OED6UrKXcw1sARxVVnkJt77mSIeuMnD1LQpPa7id3XQPnibIXWZkStn5BNKAA== |
| 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
| 2026-09-17T11:36:22.230834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031531observed d7da1f5d1c5e2cecec32ef608f2f7e7b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:22.213005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031531/manifest.jsonobserved 1ea9b476d1c59ca44e37454985e2891b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:22.194987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031531/publication.mdobserved 591c190a63e0357b78686db289fc16f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:22.177297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031531/publication.txtobserved fd0a9d5616f967ffc3b443332af4da5d...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. |
|---|