OT-2026-000018709
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000018709) never changes.
Identity and time
| Publication number | OT-2026-000018709 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d520-73ba-8f7e-1bc0e9ac9666 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:54.261386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018709 |
| Status | PUBLIC |
Content hashes
| Canonical text | a4b8b778ddf5997377781e650cfb698395acf3db86c268c5e7092f03bc0321a2 |
|---|---|
| Markdown | 2bcf14d90efaf5f9d7653fb09149cb160029341100552165fac0b5c9d903a86e |
| Publication page | 7c5423e45834570353740cc608431312e34d630f4a460e5ddbe197e3f837aff5 |
| Manifest | b12b7fc43729d8985f46b9c3bd66c991929098cf0a86a30e7846b30ae770eb00 |
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 | wqYMUtBgPGDBp1lJmLZMnd2+W/BmHHzRWsoGuhev3CzCKYBwOCyr85/I3Lhwq8jxxtqcIjY46Cmqus4CByyMBQ== |
| 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
| 2026-09-17T11:59:18.721777Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018709observed 7c5423e45834570353740cc608431312...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:18.702939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018709/manifest.jsonobserved b12b7fc43729d8985f46b9c3bd66c991...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:18.683190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018709/publication.mdobserved 2bcf14d90efaf5f9d7653fb09149cb16...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:18.663512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018709/publication.txtobserved a4b8b778ddf5997377781e650cfb6983...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. |
|---|