OT-2026-000028591
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000028591) never changes.
Identity and time
| Publication number | OT-2026-000028591 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-78bd-8329-0a35e4a61c54 · 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-2026-000028591 |
| Status | PUBLIC |
Content hashes
| Canonical text | ca1217de99113996b06dcb1ef8b913d84e2e287703b9f85b2bd571a07d86de63 |
|---|---|
| Markdown | 2f873537d319cc314f626f65616766cfd007f3340b287860e2b6a860ddadf55e |
| Publication page | b0bc6a112be4d2d15006b391311bf422a1a351a175a0002f07f4e44910a89cce |
| Manifest | 124b6ca48fa55caa5885681496b79be5cd224603382c17513dc4ea1e72e06f2b |
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 | rFsQWttuC//XEThft+SmuhNUuU6/kNprGonLk9plNSNlxjeZ86KBzF5FHgcCsRkN9ejKh+UnyIkOXFkt7PYbAg== |
| 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
| 2026-09-17T11:41:26.676964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028591observed b0bc6a112be4d2d15006b391311bf422...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:26.657606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028591/manifest.jsonobserved 124b6ca48fa55caa5885681496b79be5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:26.636819Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028591/publication.mdobserved 2f873537d319cc314f626f65616766cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:26.617124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028591/publication.txtobserved ca1217de99113996b06dcb1ef8b913d8...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. |
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