OT-2026-000028328
Publication integrity record
Single bellows cup vacuum gripper, three 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-2026-000028328) never changes.
Identity and time
| Publication number | OT-2026-000028328 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7534-8244-a87e037c0aa2 · 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-2026-000028328 |
| Status | PUBLIC |
Content hashes
| Canonical text | 442ba677e7866ddf99584dafd441ee03ab30cc6c0aaff26176454c0f462af25c |
|---|---|
| Markdown | f79dec07037e2d1cab9fb3de13abdcb34036a038e14a1506211c9b293eff874f |
| Publication page | f5c465f1a53891fee5cac6af14de5d434292f1544e3b93618c2f2d7f57fbf750 |
| Manifest | 2bed7d16564b1980482c47ebe9aa15a8e6e7970f6ec693e24daaf7f954e926dc |
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 | Rt78UUsMRj3L7qfBiuDlZYoHCkpPEdrcPDmB/J3oFhIkZJstRqpSjK7JxMSMmcXMI6upuKQpmCSuFfK/c17oDQ== |
| 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
| 2026-09-17T11:40:19.813580Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028328observed f5c465f1a53891fee5cac6af14de5d43...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:19.796539Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028328/manifest.jsonobserved 2bed7d16564b1980482c47ebe9aa15a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:19.775432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028328/publication.mdobserved f79dec07037e2d1cab9fb3de13abdcb3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:19.756577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028328/publication.txtobserved 442ba677e7866ddf99584dafd441ee03...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. |
|---|