OT-2026-000057573
Publication integrity record
Single cup vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000057573) never changes.
Identity and time
| Publication number | OT-2026-000057573 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2693-787a-9d46-f7097eb0b939 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:33.513637Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057573 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3d11234455b7df9e14c4ca238f6e50fedac1ecbbda43737d063295118a8d576a |
|---|---|
| Markdown | 9d5a6b0b51778990596947a11e3a16f54092868ce07c9f7db67878a4c43374f0 |
| Publication page | a4bb04ef901a01ee34df2c753db635b66871c0339c1f7dcc5b20e5109e92142b |
| Manifest | 4793b0dd1d9e641e575f792df82c8d6255ac787bb2106132f93dd1506da1412c |
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 | vZPofRwcDJRoUOk/TAYCnlJnPBKMVc1FiVRDrmyFrB+0qSnjoc1lmK3ETIVIoK2Mw7Ah2oNPQc7dq9OBdwS/AA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-09-17T10:48:07.071992Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057573observed a4bb04ef901a01ee34df2c753db635b6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:48:07.053248Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057573/manifest.jsonobserved 4793b0dd1d9e641e575f792df82c8d62...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:07.036508Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057573/publication.mdobserved 9d5a6b0b51778990596947a11e3a16f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:07.017570Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057573/publication.txtobserved 3d11234455b7df9e14c4ca238f6e50fe...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. |
|---|