OT-2026-000028572
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000028572) never changes.
Identity and time
| Publication number | OT-2026-000028572 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7bac-bca8-26b409a59eba · 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-2026-000028572 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9e6c2143a4a1167da947d9644ee171f650df2148222809726d94bc3da20afd94 |
|---|---|
| Markdown | de6b04519b446a3b519377c875098753f2d24097ec6bc3962d3e25ccdbb1155f |
| Publication page | bc62cd5a37bdcee17c5aed33e80d205457146da8a4924080774f6966b2f60991 |
| Manifest | bed3065bb70bc6efedfdd633c54429fdbbae41bc4b7dbb06e3b20975c106aab9 |
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 | VqkzqDp1a9jeQNHBgpAniV7mcBs1NG1RezRfxSjYCnond+URZuOMRd8VVFntyMpTdpbQi2VJ4G8tmgee+ojkBQ== |
| 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
| 2026-09-17T11:40:51.638011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028572observed bc62cd5a37bdcee17c5aed33e80d2054...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:51.619085Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028572/manifest.jsonobserved bed3065bb70bc6efedfdd633c54429fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:51.600955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028572/publication.mdobserved de6b04519b446a3b519377c875098753...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:51.581686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028572/publication.txtobserved 9e6c2143a4a1167da947d9644ee171f6...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. |
|---|