OT-2026-000031142
Publication integrity record
Foam pad vacuum gripper, 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-2026-000031142) never changes.
Identity and time
| Publication number | OT-2026-000031142 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ab-71f3-ae40-7a6349fdf33c · 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-2026-000031142 |
| Status | PUBLIC |
Content hashes
| Canonical text | f836a5c9c04c3b59f60203052d8d993d5da3df5d3b5ef21c88a01ae86b9d1d20 |
|---|---|
| Markdown | d04c1b5aa486cf14da7aebc20e6765090f108ca0452d3028d9b4be198243ed32 |
| Publication page | 8c8a9cc4987c306ba67c47c8b44b21b7186604ddcdfeb4b417a7c0e6addd5784 |
| Manifest | ce1ae0afa38cc124bc8e3d40c5a7e405647e9306568cebb0eab8e4002bdd726b |
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 | YitQBMrNHOdEo8FQIbhdNwtyAC8Yvu0O6pg/YN6xYi48xvGecGCM9gBRkpjO2L1UMXHOgSgdIy/hlDdl8bKXAw== |
| 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
| 2026-09-17T11:35:35.116590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031142observed 8c8a9cc4987c306ba67c47c8b44b21b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:35.099746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031142/manifest.jsonobserved ce1ae0afa38cc124bc8e3d40c5a7e405...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:35.081937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031142/publication.mdobserved d04c1b5aa486cf14da7aebc20e676509...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:35.064757Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031142/publication.txtobserved f836a5c9c04c3b59f60203052d8d993d...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. |
|---|