OT-2026-000028751
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000028751) never changes.
Identity and time
| Publication number | OT-2026-000028751 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7858-968a-4e336f6ced57 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028751 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5e95b2d177773619ed01b03c9a5aa97eb0cf15efad460fec0427bb22e8bbd064 |
|---|---|
| Markdown | 30f387a51c4ad23adcb3eda0d5f29a8e26efad544f47d0b97020f3760380105d |
| Publication page | 6991a50aada1b20ded865117dfccf789fa394aeddf8bc43553e200f2bf7638ab |
| Manifest | 56f24ec3376c19468516a159ffbad789c9bbba31357cadd0a88edc897606df75 |
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 | 9068ENBGGPbro/wN9MAwPtEShYlH1Jq4VqfNGG1NRQTWzrxG6ZzfnjpXSmZbuu3boN1laejxGs9jPrhUAZ2/BQ== |
| 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
| 2026-09-17T11:39:58.090442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028751observed 6991a50aada1b20ded865117dfccf789...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:58.073584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028751/manifest.jsonobserved 56f24ec3376c19468516a159ffbad789...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:58.049373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028751/publication.mdobserved 30f387a51c4ad23adcb3eda0d5f29a8e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:58.030143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028751/publication.txtobserved 5e95b2d177773619ed01b03c9a5aa97e...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. |
|---|