OT-2026-000018990
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000018990) never changes.
Identity and time
| Publication number | OT-2026-000018990 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d522-766c-b186-1a30e73dcfb0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:54.261386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018990 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7c7bbe8a1bf78227037b26fa7a7cc1eb1c0f8ca0fb9bc17e65eaceb558e64209 |
|---|---|
| Markdown | 1866b4756c6e6f614ef4ec0d04bfa8f5dae44f68480b9bc2d4a8157b856a1ad8 |
| Publication page | 9763b0eec3aafc307b629c133063cb98490debe203eba1ba17b82ad8121bead0 |
| Manifest | fd6c7a33db1a466189ae6072e0c21e04c5101c2caad8311d333119bd9f145a7a |
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 | QAEnasG9k6vgXY142MLzuZVCPSP0+npvyPwMv5mJlYQb5KS8CMfkmS1jnqqVlpRe5uBDj0IAFw8kTSkAAG3GDw== |
| 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
| 2026-09-17T11:59:40.355411Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018990observed 9763b0eec3aafc307b629c133063cb98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:40.339388Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018990/manifest.jsonobserved fd6c7a33db1a466189ae6072e0c21e04...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:40.323544Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018990/publication.mdobserved 1866b4756c6e6f614ef4ec0d04bfa8f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:40.307102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018990/publication.txtobserved 7c7bbe8a1bf78227037b26fa7a7cc1eb...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. |
|---|