OT-2026-000020156
Publication integrity record
Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000020156) never changes.
Identity and time
| Publication number | OT-2026-000020156 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7872-b758-1cccca071751 · 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-2026-000020156 |
| Status | PUBLIC |
Content hashes
| Canonical text | 613cc143261e16383a600671f2a8936706064aea3f01d139fe23d2fb7f4c8403 |
|---|---|
| Markdown | 98d4861f233d500d776fa35c9a2051740ab84519f0f672bb29c132f8456ff737 |
| Publication page | 1dbbde87204f24f12f2f0b46e8fcb791a41d60d7321774d889dcf14bac173645 |
| Manifest | 5e805cc535d160cf3eb1dd1ad26d0f689ada2bf96c7269c97c9d731fe41b9403 |
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 | A5QBJaXm3Jv/ZgS3uTyzXdXebuGaZKyQVyQ+IryUmA5lEkbWLVT+O+5U0RMVu316XXKL6TKDrUsSjq4ZzxF0CQ== |
| 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
| 2026-09-17T11:56:28.219965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020156observed 1dbbde87204f24f12f2f0b46e8fcb791...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:28.197468Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020156/manifest.jsonobserved 5e805cc535d160cf3eb1dd1ad26d0f68...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:28.174323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020156/publication.mdobserved 98d4861f233d500d776fa35c9a205174...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:28.156355Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020156/publication.txtobserved 613cc143261e16383a600671f2a89367...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. |
|---|