OT-2026-000031930
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000031930) never changes.
Identity and time
| Publication number | OT-2026-000031930 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-7da0-8229-a7920487498c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031930 |
| Status | PUBLIC |
Content hashes
| Canonical text | bb35ae66957548aaded706408fee8775f1f6547cfa22f06e05fed7df8dd8e061 |
|---|---|
| Markdown | 3d693a85a807d71957535736da630be646fca6f1e183427e91263ceb6a8b2451 |
| Publication page | 79ceb7c6db6725235e9935152bf58271221f6957ce16e7f0e6b694b8e290ec08 |
| Manifest | bf5e815e46e6f08a9fdcfd71f865d1cfe83331490d54b4765aa1399e20aa0f7b |
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 | SQUFIIvjlB7MqQaYFqtVy8ACW8/kojDI1VGbkfWgbUM0cImS7ZXo85Gne59Sk650fAQKVQyk6J2g8Wj3uqJyBQ== |
| 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
| 2026-09-17T11:35:12.603593Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031930observed 79ceb7c6db6725235e9935152bf58271...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:12.586196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031930/manifest.jsonobserved bf5e815e46e6f08a9fdcfd71f865d1cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:12.566221Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031930/publication.mdobserved 3d693a85a807d71957535736da630be6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:12.548034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031930/publication.txtobserved bb35ae66957548aaded706408fee8775...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. |
|---|