OT-2026-000031130
Publication integrity record
Foam pad vacuum gripper, pump fed, pulsed blow-off after 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-2026-000031130) never changes.
Identity and time
| Publication number | OT-2026-000031130 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87aa-79e4-afe2-7ae81804fa66 · 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-2026-000031130 |
| Status | PUBLIC |
Content hashes
| Canonical text | 78436b79c069238df29a9df004615c1e4b5730de4858faab21ec00050aeb9719 |
|---|---|
| Markdown | 3dd6a873aa869117f0f71e532363b19d7c8c02b9d089ca0ba2e69b00e48ca8f2 |
| Publication page | daeef602d2c0e00f0cecb71aa19a78f5a88f8e97701f9e1fafc061cb70b7722a |
| Manifest | 5d153300560a2410fbba49746e5d90f9db3150a61edb8a2ef143b7c29f6e69d7 |
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 | hZjkEuHiuHzjoLMQdp6AwGL6JksN7ButY9WaoIY8tTjaWtdIJcOjOTjIfV77OX6sptnwVlyh6vj3RL/PhV3eDQ== |
| 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
| 2026-09-17T11:35:34.061245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031130observed daeef602d2c0e00f0cecb71aa19a78f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:34.041854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031130/manifest.jsonobserved 5d153300560a2410fbba49746e5d90f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:34.022861Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031130/publication.mdobserved 3dd6a873aa869117f0f71e532363b19d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:34.004611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031130/publication.txtobserved 78436b79c069238df29a9df004615c1e...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. |
|---|