OT-2026-000028447
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000028447) never changes.
Identity and time
| Publication number | OT-2026-000028447 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-723f-a466-6a22b0fa7cc3 · 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-2026-000028447 |
| Status | PUBLIC |
Content hashes
| Canonical text | 12268101601c8bab959f953d2d743f43bbced20052b58168e346283225f47d21 |
|---|---|
| Markdown | 68c5980dcf7003865a9aa8270572423788ce31645932695e927e816cf59364d4 |
| Publication page | 90ad82c69c0ea0c301f91123ac56754c7d265431bcdd2a9c678bef01504eac20 |
| Manifest | f85c2cf7ebce5ac766a4a1cb74ad0a987931151f2a17f279028690121349ac82 |
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 | eUs5edv3Nw7tUucu7mIESDjEZu5KWEgHm7RkETX42VuV1uPFj18xr1KomkjRAFNqbjnrPogf53yYC5Nr+aQ0Ag== |
| 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
| 2026-09-17T11:40:35.064261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028447observed 90ad82c69c0ea0c301f91123ac56754c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:35.047687Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028447/manifest.jsonobserved f85c2cf7ebce5ac766a4a1cb74ad0a98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:35.027679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028447/publication.mdobserved 68c5980dcf7003865a9aa82705724237...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:35.009621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028447/publication.txtobserved 12268101601c8bab959f953d2d743f43...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. |
|---|