OT-2026-000042844
Publication integrity record
Single bellows cup vacuum gripper, two 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-2026-000042844) never changes.
Identity and time
| Publication number | OT-2026-000042844 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d0-78b9-a2ba-ce9726c1b41a · 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-2026-000042844 |
| Status | PUBLIC |
Content hashes
| Canonical text | c34a4b71c5e039801b414226a8f3aa5dd0f310fa432551f2a7841187c89097ac |
|---|---|
| Markdown | dea3b8278895428ff70447ad8cb32f4fa5294e8c284df206db0bedc07a463907 |
| Publication page | 94debc4d443bd6c6116f6b9285352a2ea2c8322b7884c4b48b5ed85b6cdeaf28 |
| Manifest | 58aa5a8857188c7a92065443794c8c5a085cf94d63539c514c9c020dbbcb443f |
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 | YlZ6iX//va+KyavzvWajV8kcdnZchqHiGJdGTVX7M16+unjnJ6VH3q8ZV59AepHHSXNAY0z+ieJaxGeIs6EOBg== |
| 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
| 2026-09-17T11:15:19.890063Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042844observed 94debc4d443bd6c6116f6b9285352a2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:19.870164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042844/manifest.jsonobserved 58aa5a8857188c7a92065443794c8c5a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:19.851494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042844/publication.mdobserved dea3b8278895428ff70447ad8cb32f4f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:19.832517Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042844/publication.txtobserved c34a4b71c5e039801b414226a8f3aa5d...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. |
|---|