OT-2026-000031772
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000031772) never changes.
Identity and time
| Publication number | OT-2026-000031772 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad0-75ea-9cfe-46b20f59eeab · 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-2026-000031772 |
| Status | PUBLIC |
Content hashes
| Canonical text | afee12d3ab1a9724111eae7ef31b02cd5cf9ae59800c2c72379393549c65fc78 |
|---|---|
| Markdown | 5e09f2f752b9f425ced995c7f7bb67f1c477acf47bce4acd836656a8f25184c6 |
| Publication page | b1e482f10187aeddf1aefaf5a5d2c3e519718dd1b619ee5e57efbd55f0626d9e |
| Manifest | 7ad45fa21b75458becf405165d0a6e8a7379109972d887e6a7de8135b082d1cb |
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 | yHdJ6Wlqjfaa9I1Ltim1MulVBV6iGm03zpVh1ceNz0CCWKHCKW0of6PXZZoUede5ygu9UVJiM0C7NgiPZTEWAA== |
| 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
| 2026-09-17T11:34:53.855812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031772observed b1e482f10187aeddf1aefaf5a5d2c3e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:34:53.837493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031772/manifest.jsonobserved 7ad45fa21b75458becf405165d0a6e8a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:53.819214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031772/publication.mdobserved 5e09f2f752b9f425ced995c7f7bb67f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:53.801907Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031772/publication.txtobserved afee12d3ab1a9724111eae7ef31b02cd...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. |
|---|