OT-2026-000019643
Publication integrity record
Three cup vacuum gripper, three zone face, two stage ejector, 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-2026-000019643) never changes.
Identity and time
| Publication number | OT-2026-000019643 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb3-7216-971a-9cf4b1eabc41 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019643 |
| Status | PUBLIC |
Content hashes
| Canonical text | fe0749886ed1035237094f74c2c8bad4879c504b1a0baac4594dce558222aab8 |
|---|---|
| Markdown | 184315d15997fd74356e21895c80265c3fe9b7f9717e7bd79ea959ae76f2c93a |
| Publication page | 2c477e5866b9745330a20988d847aaab65984c55aa29bdde0b0c3067c884e116 |
| Manifest | 769216efeb06ea404e6bc40828425b199d85b2677a870f0e617b4616657ffb80 |
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 | HNJUFIPtbsYnprbc+f87f/x3AKxcp29Xh28st+urxGbT3oUU16P83FjU2FDfQCDy/gV1jeDM5Dbydf1ihZ8ICA== |
| 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
| 2026-09-17T11:57:42.324750Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019643observed 2c477e5866b9745330a20988d847aaab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:57:42.305822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019643/manifest.jsonobserved 769216efeb06ea404e6bc40828425b19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:42.286169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019643/publication.mdobserved 184315d15997fd74356e21895c80265c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:42.270031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019643/publication.txtobserved fe0749886ed1035237094f74c2c8bad4...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. |
|---|