OT-2026-000019875
Publication integrity record
Foam pad vacuum gripper, three 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-2026-000019875) never changes.
Identity and time
| Publication number | OT-2026-000019875 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb6-743a-b182-c9d0870aaebe · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019875 |
| Status | PUBLIC |
Content hashes
| Canonical text | 23e38cf37ea987ed0289a4f8b35744f205efc228267a535fd44d039c8e703c9a |
|---|---|
| Markdown | b5b9ca707632abaa00f1068ad5f433815585b5081d966223f22b48b5a3a2e9e7 |
| Publication page | b8f8657ec355df0b006e6ca62a6b3fbb1cb39b26939bc87379b6ca4eef8c7050 |
| Manifest | 3b0b8fe33b90b440356f055a9af429aaa563b4f0408c46d93f8c0139f7d9df9b |
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 | +Dd51GLyQQ4G7fL3vIzbDkMZi4Mwanup1vuVbl13AglMiN2YQ5TWBYM06Hgm6nESLbauSe77uS1uKqxJjqw4Ag== |
| 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
| 2026-09-17T11:58:04.653571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019875observed b8f8657ec355df0b006e6ca62a6b3fbb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:04.635485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019875/manifest.jsonobserved 3b0b8fe33b90b440356f055a9af429aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:04.617517Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019875/publication.mdobserved b5b9ca707632abaa00f1068ad5f43381...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:04.598877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019875/publication.txtobserved 23e38cf37ea987ed0289a4f8b35744f2...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. |
|---|