OT-2026-000027819
Publication integrity record
Foam pad vacuum gripper, four zone face, pump fed, 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-2026-000027819) never changes.
Identity and time
| Publication number | OT-2026-000027819 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a4a5-7893-b00f-cd54d9af9873 · 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-2026-000027819 |
| Status | PUBLIC |
Content hashes
| Canonical text | c6cb326fd1248c80ff46eab6c26aaa17320ffc800715d5d5fa442c67631ed5ab |
|---|---|
| Markdown | ab698ba51397360a0226e8f99ec10b08e157fd8787dfe58d4b23f2ea092d6559 |
| Publication page | ca6f09aac8bdedcef4315174280dc2a81145066c0fb9cb7fa06647dd0c6821f3 |
| Manifest | 979a82fed8591b48871210d1468e7464d32600a1d19db9dbd0d28f7063716659 |
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 | +N7YTJEPHO+XvU0n7XLo/ji4CxtKGFwRjgFHTFHzHrFJl5Vos0rVOu7OfFN4eyAldtyaXbkHPVpvzLUA4N+aBQ== |
| 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
| 2026-09-17T11:41:52.341611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027819observed ca6f09aac8bdedcef4315174280dc2a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:52.323610Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027819/manifest.jsonobserved 979a82fed8591b48871210d1468e7464...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:52.305688Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027819/publication.mdobserved ab698ba51397360a0226e8f99ec10b08...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:52.287697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027819/publication.txtobserved c6cb326fd1248c80ff46eab6c26aaa17...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. |
|---|