OT-2026-000029880
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, sustained 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-2026-000029880) never changes.
Identity and time
| Publication number | OT-2026-000029880 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac47-713e-a949-1ae7ef7e5727 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029880 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4686868b0450ccd1cbf2287bf2f2a95127cae73e1abb6cbbcbd8bc0dc8e00f77 |
|---|---|
| Markdown | 077176d282b43f7d5b933e18860674267697a37c03dd005bcdf3bb07d15241e2 |
| Publication page | f64c3fba7d7318eef2543863fc80f7748a3f2c70d8c96fe56d114b92fb0336ed |
| Manifest | b9839410e52a26bede5d7611eb4a608b9a18d5cf8909766ae07c126b36699c6d |
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 | Ls/3kOLPPdmvNWcAOfK/NQaHBl1dksPtKfihTTx7xJrIbtAS9fBH2d8dmwbtdU+BLAZblf4oL01txXHwvZIaDA== |
| 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
| 2026-09-17T11:38:34.682024Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029880observed f64c3fba7d7318eef2543863fc80f774...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:34.664945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029880/manifest.jsonobserved b9839410e52a26bede5d7611eb4a608b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:34.646980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029880/publication.mdobserved 077176d282b43f7d5b933e1886067426...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:34.629361Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029880/publication.txtobserved 4686868b0450ccd1cbf2287bf2f2a951...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. |
|---|