OT-2026-000020899
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000020899) never changes.
Identity and time
| Publication number | OT-2026-000020899 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-7082-a219-51219c9084d5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020899 |
| Status | PUBLIC |
Content hashes
| Canonical text | 88cdcdc51828f0762068cef8d006d503d63e1f518a73ded1d861dd1a65493bae |
|---|---|
| Markdown | f52a699caf63b6e92254b44c4abf04e92b515e4b21ca3771114047367a034027 |
| Publication page | a8ee7a9351f58fe280387438ff6d76e1892974a43c7b202f08f0f51488998acf |
| Manifest | 81a4536e74717b5c73f256942cd76a70a260d8fcd89e3a9a4889a4d323dcdad2 |
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 | pa11YjqhGpsPPT9elwpCGLIF12d1i3p6BGgp3YG3u0YPdSHyRBA0p/wLpYgjlfbsG8fQ4PliD3wMmNjasqzFCg== |
| 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
| 2026-09-17T11:56:00.882644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020899observed a8ee7a9351f58fe280387438ff6d76e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:00.865430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020899/manifest.jsonobserved 81a4536e74717b5c73f256942cd76a70...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:00.849024Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020899/publication.mdobserved f52a699caf63b6e92254b44c4abf04e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:00.830933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020899/publication.txtobserved 88cdcdc51828f0762068cef8d006d503...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. |
|---|