OT-2026-000050157
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, vented 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-2026-000050157) never changes.
Identity and time
| Publication number | OT-2026-000050157 · never reused |
|---|---|
| Internal UUID | 01a0ae82-5c45-7733-8993-0099aae83c5a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:14.042293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050157 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6b739e71f36f1d508170a99e12b2123c747b3f63f8afd940e19fb8c1692d9266 |
|---|---|
| Markdown | 1f23fc7b38406705c9db26d664bf070e2f8ebc882c94031753f5eef47540363a |
| Publication page | 1c3cb8ca13f7d1ccf5d96097d22d0f568039f6353c2b03a448bcc9727c7dcd02 |
| Manifest | 48391ca6238cdbb3cd84df17f1f416dd9bab3791aa925ffe91e80c54a9ee3685 |
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 | 26qLOHA4+pU9KHOgCCWhCJTMjHq3yJo/QPSDeMsr5z0sYwmpVKWUYFp4Xs5G2Sz8rPfoewPotXROWA1y1KPbBQ== |
| 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
| 2026-09-17T11:01:07.910456Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050157observed 1c3cb8ca13f7d1ccf5d96097d22d0f56...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:01:07.892959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050157/manifest.jsonobserved 48391ca6238cdbb3cd84df17f1f416dd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:07.875389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050157/publication.mdobserved 1f23fc7b38406705c9db26d664bf070e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:07.857074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050157/publication.txtobserved 6b739e71f36f1d508170a99e12b2123c...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. |
|---|