OT-2026-000042868
Publication integrity record
Single bellows cup vacuum gripper, three 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-2026-000042868) never changes.
Identity and time
| Publication number | OT-2026-000042868 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-7e73-8d18-bea0eea951b1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042868 |
| Status | PUBLIC |
Content hashes
| Canonical text | 25172f8a03b8f1d44e4d0b21513933ffc52856e8ead58de64361764cfe114939 |
|---|---|
| Markdown | e136ff002171fa92ab4104ae2b081325485f9c7d1480dd458288ada8ffe9eeaa |
| Publication page | 592b186d10590e89b1d7d65b8a0f16b0ae9bb0dd7961ebbd3486fcd91098cdf7 |
| Manifest | 07c5510b99d936a05960df21568103539a1fd468f305abdc034814e57692b4ae |
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 | k0hINzezazYHox3lLDHiyGx7jCmuaSP7N/KdHGO6pOzT1rvqiMvzrBZyuUkCFXaScT54U29dMTAfhJGKOcxDCg== |
| 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
| 2026-09-17T11:15:21.836472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042868observed 592b186d10590e89b1d7d65b8a0f16b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:21.818037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042868/manifest.jsonobserved 07c5510b99d936a05960df2156810353...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:21.797726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042868/publication.mdobserved e136ff002171fa92ab4104ae2b081325...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:21.778533Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042868/publication.txtobserved 25172f8a03b8f1d44e4d0b21513933ff...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. |
|---|