OT-2026-000028173
Publication integrity record
Three cup vacuum gripper, three outlet manifold, single 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-2026-000028173) never changes.
Identity and time
| Publication number | OT-2026-000028173 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-79b4-9b32-0f6b9540f70c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028173 |
| Status | PUBLIC |
Content hashes
| Canonical text | 820662859ad5616a7f993fb9b82d4dd35f15f19dd6e144cbfaa45fa1fc304168 |
|---|---|
| Markdown | b547e42786044ca7ec7dc103a9aadb21258e7c8caa15e42cc911c8c5fb4905a0 |
| Publication page | b6a6a3cee8c4dc1d059a5843ea203595e11a847d3ef2bf8d6164a0ed8957d95b |
| Manifest | dbcb0f1859b6a7cb83bb1fa7957a303e961fc5019923a9a23ef42bc80a3826ae |
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 | YEfxeotxcL9SmCgIvVIYXC4PlgSPJQRw8jl1SAdnZpicd/k6ewwS7Wd8AFAKblV3daZ9rYxPjKAx1V8krJydDQ== |
| 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
| 2026-09-17T11:42:31.849422Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028173observed b6a6a3cee8c4dc1d059a5843ea203595...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:31.828994Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028173/manifest.jsonobserved dbcb0f1859b6a7cb83bb1fa7957a303e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:31.804280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028173/publication.mdobserved b547e42786044ca7ec7dc103a9aadb21...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:31.787235Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028173/publication.txtobserved 820662859ad5616a7f993fb9b82d4dd3...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. |
|---|