OT-2026-000028331
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000028331) never changes.
Identity and time
| Publication number | OT-2026-000028331 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7e84-b70e-57c0215ffb6c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028331 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8036794d85d2b67c52db2c459c953f4cd733c2176e5b7854b558cfe5bdd1887b |
|---|---|
| Markdown | 2424a2f653ed42c3252bfa2d7448e938b44e6b9c9279e8ade709f26b3a4b76e6 |
| Publication page | 65210cb47b944896ddddbb6df64ff708d3ef0ba58cecbdd33044c3f7d6fc6807 |
| Manifest | 2c7480418b45c736b1747853fdb35e3118b49627c1a2fa5b03e80f3f764b75df |
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 | L4PyknrVe1MclEvhN95aNYz/UdldD8R6wlnqb7+byZbLk+GAxY9xGRVPOpjyEielWMSisf9U7izT3elZAP7ZCg== |
| 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
| 2026-09-17T11:40:20.109195Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028331observed 65210cb47b944896ddddbb6df64ff708...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:20.064109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028331/manifest.jsonobserved 2c7480418b45c736b1747853fdb35e31...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:20.046618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028331/publication.mdobserved 2424a2f653ed42c3252bfa2d7448e938...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:19.996343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028331/publication.txtobserved 8036794d85d2b67c52db2c459c953f4c...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. |
|---|