OT-2026-000031889
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000031889) never changes.
Identity and time
| Publication number | OT-2026-000031889 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-76f9-a044-dca92e0f909e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031889 |
| Status | PUBLIC |
Content hashes
| Canonical text | 70b149ec9fe166ceec1e9c8d7dbbcea3320e49f958e108bee686f4e3a2d65746 |
|---|---|
| Markdown | aca2a0388588942c13963dc37494e19a7010ddbc0ceebb4b65ffd44df31c4aae |
| Publication page | ec6d3f5bbd4c18758ba4dbb9d557fa2a78d089f432382a2057906e696cdcf311 |
| Manifest | c4370d46e539daf02d6943ffa3640ae77056a824405a38fea305af5878b3e849 |
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 | d9C65sHztXbQG7DLAuYjc8C0N1GVDDeMBU+++Mwgh2yugm3+NrYsy2TYdIqNrOODs4l9R0jYP/N4Zv31Bx0YBg== |
| 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
| 2026-09-17T11:35:09.315843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031889observed ec6d3f5bbd4c18758ba4dbb9d557fa2a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:09.297683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031889/manifest.jsonobserved c4370d46e539daf02d6943ffa3640ae7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:09.278430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031889/publication.mdobserved aca2a0388588942c13963dc37494e19a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:09.259776Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031889/publication.txtobserved 70b149ec9fe166ceec1e9c8d7dbbcea3...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. |
|---|