OT-2026-000028162
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000028162) never changes.
Identity and time
| Publication number | OT-2026-000028162 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-76f2-adb5-1e3e87ed4c7c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028162 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7cb5c22bf9608b03243ac7a9b77a0317629d14dfb526bad484d2bd5849835879 |
|---|---|
| Markdown | dd9971b58453defe91cab6b5c6d1ed975170bb081d0d7e5d904ead24f67cdbae |
| Publication page | 72e04e75ccfb5346824b2b748664119d9428075435720d51a4f4016c3f1a0c4f |
| Manifest | bb7f7f009e77df25d445a87d950a5a29c314ef45cdcde095ed7fc4a622d5dbdd |
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 | bLqMDPUoNCgZB+SWtWbfR1QAj94+eBG2eZw7DSb6idJdnRUHpcKbczv5sp4qcjNeNd0hauQBBZ9cXvwrQuU8AA== |
| 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
| 2026-09-17T11:42:30.964464Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028162observed 72e04e75ccfb5346824b2b748664119d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:30.946578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028162/manifest.jsonobserved bb7f7f009e77df25d445a87d950a5a29...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:30.928760Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028162/publication.mdobserved dd9971b58453defe91cab6b5c6d1ed97...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:30.901633Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028162/publication.txtobserved 7cb5c22bf9608b03243ac7a9b77a0317...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. |
|---|