OT-2026-000091991
Publication integrity record
Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091991) never changes.
Identity and time
| Publication number | OT-2026-000091991 · never reused |
|---|---|
| Internal UUID | 01a0ae9d-43bb-7bf3-88ce-1e493206ce2f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:37.256105Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091991 |
| Status | PUBLIC |
Content hashes
| Canonical text | 95cb9852a2168fed7979963114c4fd2546efc14c4397e2a81644b245709b7a0b |
|---|---|
| Markdown | 724fc72daf4e29ab3188a1d76fc71032c4d5bff84a7a8af4db27406bb23bb418 |
| Publication page | 4ce1c5bea3f3459c06007755aaa5f1c1fac360598582dcf5712f49ee3797564f |
| Manifest | 2162901aef05fa27a293f67ac71c6e9ab852b1d2a40a43280a568daf82cc1e9b |
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 | IWafH6zv1NZQCWU/ZvxvMkf1UQ55atX1Ujz3N80UcsMYUZ4uyF6ppMrl4RHVrat0gvaurg540mRmA2sNzCZUDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:42:59.275111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091991observed 4ce1c5bea3f3459c06007755aaa5f1c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:42:59.241712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091991/manifest.jsonobserved 2162901aef05fa27a293f67ac71c6e9a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:42:59.209905Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091991/publication.mdobserved 724fc72daf4e29ab3188a1d76fc71032...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:42:59.167397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091991/publication.txtobserved 95cb9852a2168fed7979963114c4fd25...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. |
|---|