OT-2026-000031520
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained 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-2026-000031520) never changes.
Identity and time
| Publication number | OT-2026-000031520 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ae-7a7a-a4ce-099bb8bced9e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031520 |
| Status | PUBLIC |
Content hashes
| Canonical text | f25628b2b10ffda42b2bfc059fac9149d670cb8ab386037da9a96edd1f7c5e2a |
|---|---|
| Markdown | 062d6539170a1a01aaf0884d129c4e1e93b642adac34e05f1c5b2aba008ccf32 |
| Publication page | 6589a0b69053243d273985d06db65dcd74ed8285c80501d4c3b388f5193ff79c |
| Manifest | 3ea26a4ce1223634bdd97b86efbd602f24c4fc1414377897b765211856736187 |
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 | C8ZUGi53YU4Ez2aW7bZEIuaJ2CO7TFyVq8bBxlybZgQr9Ioy2c5TwJ23kH3EjnYfSsvnWplTVnM0gJan2DmSCw== |
| 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
| 2026-09-17T11:36:21.380050Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031520observed 6589a0b69053243d273985d06db65dcd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:21.361125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031520/manifest.jsonobserved 3ea26a4ce1223634bdd97b86efbd602f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:21.338204Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031520/publication.mdobserved 062d6539170a1a01aaf0884d129c4e1e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:21.316740Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031520/publication.txtobserved f25628b2b10ffda42b2bfc059fac9149...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. |
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