OT-2026-000028408
Publication integrity record
Single bellows cup vacuum gripper, pump fed, sustained blow-off before set-down
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-2026-000028408) never changes.
Identity and time
| Publication number | OT-2026-000028408 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7961-877b-d6b43dd00a3f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028408 |
| Status | PUBLIC |
Content hashes
| Canonical text | d66da8c8adca2392406e0919fd3f40f58d8fae6e63c6b751a6c43cf431d26650 |
|---|---|
| Markdown | d6917cc8dac4f2b898e06418e4ad36fa69e4ec22d8f81a8281a691548f539ff4 |
| Publication page | 7c5f68a8605b6fc5fdd97ff7f2cb6c47f633c3ef729561c9639bf11825afcf46 |
| Manifest | 60a1b41da90f245afeb3ede846dbb70fce172c0f01169b8cadac3d1791320a19 |
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 | qJ1oECY5S6ESCDqjCWnmm2yrlvwc/4Rc7JANnbUXcvPxq+owPVLv1YLOi/6PKHDx0pdwlTLx/eaNfZ/r8nXXAg== |
| 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
| 2026-09-17T11:40:32.217110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028408observed 7c5f68a8605b6fc5fdd97ff7f2cb6c47...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:32.198939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028408/manifest.jsonobserved 60a1b41da90f245afeb3ede846dbb70f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:32.181296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028408/publication.mdobserved d6917cc8dac4f2b898e06418e4ad36fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:32.164880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028408/publication.txtobserved d66da8c8adca2392406e0919fd3f40f5...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. |
|---|