OT-2026-000028719
Publication integrity record
Foam pad vacuum gripper, four 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-2026-000028719) never changes.
Identity and time
| Publication number | OT-2026-000028719 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2fa-72f2-80f8-72908facd964 · 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-2026-000028719 |
| Status | PUBLIC |
Content hashes
| Canonical text | e4f6c735a94ac913539e1ba5ad26ac45a093e4b2a3e5b5e6ed95b144d711e914 |
|---|---|
| Markdown | 4e3e28c11a1ea694fd482de80707b91337d7952becf6a0852b8d72994e7fe748 |
| Publication page | 8971bbe51e564793114522c37bfbf2b012bb5fb4f9be6ef13dd01be97210baa9 |
| Manifest | b9c92ea48d0a56097e52c6e092bcfbf7986f973f1ea1036df0c88477657ce9c1 |
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 | k26qMldbd4DK0uFqxv2y3SvMPz4j20wPf6zRdXM7r8AW1PP9tjTltZednJMKIZZQzJUjpcIyBSllBWMNDTTjDw== |
| 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
| 2026-09-17T11:41:43.726387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028719observed 8971bbe51e564793114522c37bfbf2b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:43.705789Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028719/manifest.jsonobserved b9c92ea48d0a56097e52c6e092bcfbf7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:43.684054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028719/publication.mdobserved 4e3e28c11a1ea694fd482de80707b913...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:43.647507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028719/publication.txtobserved e4f6c735a94ac913539e1ba5ad26ac45...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. |
|---|