OT-2026-000031122
Publication integrity record
Foam pad vacuum gripper, pump fed, pulsed blow-off after 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-2026-000031122) never changes.
Identity and time
| Publication number | OT-2026-000031122 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87aa-74ee-b722-db65fd9e4680 · 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-2026-000031122 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2362decdbfbc8416c9bb43b2b38fd4f326a316ec5360035ca7f222b44423cd1f |
|---|---|
| Markdown | ddfba58e511da3f66b4152ad4a89bcc945a7758c369dc9ab0a53441e32340a67 |
| Publication page | afa9ab239354491bd4b4d781c88fb9318fbb6bd4312ac052c40d607374511e19 |
| Manifest | 3e9bfd97aa19b866d09301b4b7421df3ba17dd8875abde8a6c43fb917c5ed771 |
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 | Fnw41rNXTqDFRTbXQ1xKAQtmCzftGTH8Dgah79P8zJZFM4EnmH+8IfmS/3IXWWb5bJZYjhudJMautXcWzOwNBg== |
| 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
| 2026-09-17T11:35:33.453867Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031122observed afa9ab239354491bd4b4d781c88fb931...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:33.435661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031122/manifest.jsonobserved 3e9bfd97aa19b866d09301b4b7421df3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:33.414674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031122/publication.mdobserved ddfba58e511da3f66b4152ad4a89bcc9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:33.391678Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031122/publication.txtobserved 2362decdbfbc8416c9bb43b2b38fd4f3...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. |
|---|