OT-2026-000103980
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000103980) never changes.
Identity and time
| Publication number | OT-2026-000103980 · never reused |
|---|---|
| Internal UUID | 01a0aea5-15e8-78d4-8888-adb5f4dfa48f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:14:09.781581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000103980 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4435703d93c29433590dbc2a2a9352ee2d7254e2b9bea468fef1e691b3d2f134 |
|---|---|
| Markdown | fa6ec028414740f6de1950c5b35ed921019fe5259d2f2156013f9560cf41442e |
| Publication page | e8e7b4a42b5cecc770be48a7f6fb9ad7ece4ac5c725b10a373b0bba8c726be19 |
| Manifest | ff302736ed56790a9f8bcafcaaad3cdc9bf62d4533bfc72208ec980a081bf781 |
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 | 5iDsGcfXakph6Fij0R+5yflQ0+I9iV2aYpbSUIGbKnUJGcVFB4ni/tOsrDBQ/Gq8+za2n2T/TXjlK/tFdXCqCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:21:59.027591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103980observed e8e7b4a42b5cecc770be48a7f6fb9ad7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:21:59.010371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103980/manifest.jsonobserved ff302736ed56790a9f8bcafcaaad3cdc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:21:58.993197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103980/publication.mdobserved fa6ec028414740f6de1950c5b35ed921...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:21:58.975185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103980/publication.txtobserved 4435703d93c29433590dbc2a2a9352ee...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. |
|---|