OT-2026-000028436
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000028436) never changes.
Identity and time
| Publication number | OT-2026-000028436 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7a1d-854c-d7d97ef7d9c0 · 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-2026-000028436 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2f6ce8dedb005c9f5dc242e614483875ed399ddcdf0643813b57e153e5defc30 |
|---|---|
| Markdown | 6c960e6bdc222a8da6a83a7b51addc499e7bb3857436c7bec9a01d9382f55c46 |
| Publication page | f2d344d94446bd0ed4143500be908bf7bb095541332bd0c0808783830fc675a3 |
| Manifest | 225fb25d41678870c1de3d10ab345ae4809672ae405a64449b0c0f7f55f00af1 |
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 | WRUjxHC8SUqRv2Is+z2ojg5IXyHGynLRJzdodCq1tspIb9Va9aYhOCM+wYSFyWn73nePBqNJXaTgkkW06N0PBg== |
| 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
| 2026-09-17T11:40:06.362612Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028436observed f2d344d94446bd0ed4143500be908bf7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:06.346980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028436/manifest.jsonobserved 225fb25d41678870c1de3d10ab345ae4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:06.328609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028436/publication.mdobserved 6c960e6bdc222a8da6a83a7b51addc49...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:06.309387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028436/publication.txtobserved 2f6ce8dedb005c9f5dc242e614483875...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. |
|---|