OT-2026-000028677
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000028677) never changes.
Identity and time
| Publication number | OT-2026-000028677 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7a10-a16d-85ffdc48be1c · 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-2026-000028677 |
| Status | PUBLIC |
Content hashes
| Canonical text | e1c9bb58814867c2e77db0a4f1d0875bfeafb9f5e8e0321f3473fa781476dbf2 |
|---|---|
| Markdown | a6e03fbc69ea4b6a5501b9adfb6c67fd7acb91cbd0e0a146ab0c80910052be3e |
| Publication page | b2a6a85fe162e2a49b8d8e221ef771d174571987ee9d85e03a259fb95ec0a882 |
| Manifest | b738bcea66479270100c9c6d712a822f020614f6ef9f734bafac2ca0bca74286 |
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 | qxMsf3NVOOz+RRyTvQ1plKJZa45UAATHMB9Q5j8JlzXK0FQEun7sktzSPkZ5ht7boc8l9SF8m/k+W85q0UQVBg== |
| 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
| 2026-09-17T11:41:33.993135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028677observed b2a6a85fe162e2a49b8d8e221ef771d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:33.971765Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028677/manifest.jsonobserved b738bcea66479270100c9c6d712a822f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:33.947106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028677/publication.mdobserved a6e03fbc69ea4b6a5501b9adfb6c67fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:33.926145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028677/publication.txtobserved e1c9bb58814867c2e77db0a4f1d0875b...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. |
|---|