OT-2026-000017228
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000017228) never changes.
Identity and time
| Publication number | OT-2026-000017228 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-76c8-78c4-a835-5152ca17b169 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:30.105855Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000017228 |
| Status | PUBLIC |
Content hashes
| Canonical text | 71adcd35c4ee8adb4817e10f32694204359e9725aac8a311995fe0c49c9a19c3 |
|---|---|
| Markdown | 9f5a26b1a5ec7d02992289e0c35289a6adf364a6d84a6e43389fd14d6fca7eef |
| Publication page | d0669e870979f3497f8c458b4bc223ca9c5cd551ab854bbc88f89f146b137af9 |
| Manifest | 14aad515f043909fc3493a60ed58425512bed02ca464caf2cd74c0bc4c97a1a4 |
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 | krIC7bF1pJ4HKrTLD+mj6KxzoSI2MRUqPx5WIDdTW4LsbF2jJXWJcwYFyqaxg+oqFl5Km2v8ymd6Y2/QRIY6CA== |
| 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
| 2026-09-17T12:02:18.513341Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017228observed d0669e870979f3497f8c458b4bc223ca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:02:18.496270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017228/manifest.jsonobserved 14aad515f043909fc3493a60ed584255...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:02:18.479759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017228/publication.mdobserved 9f5a26b1a5ec7d02992289e0c35289a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:02:18.462045Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017228/publication.txtobserved 71adcd35c4ee8adb4817e10f32694204...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. |
|---|