OT-2026-000050731
Publication integrity record
Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000050731) never changes.
Identity and time
| Publication number | OT-2026-000050731 · never reused |
|---|---|
| Internal UUID | 01a0ae82-c7b1-7a21-b3b3-0b449b383bd2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:41.548889Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050731 |
| Status | PUBLIC |
Content hashes
| Canonical text | 813736fdebd715fe5c949a9978f5d85cc6fbe1bfb2b8c9c76bd473311b14ccfb |
|---|---|
| Markdown | 06c2718dd403714606b34a7edc62a7cd2e69800df612b11ccb675618875cf57e |
| Publication page | abf36f85fa0e0515d620f23a35b8c0318836ed3678c431476b78c14a11c4a4d2 |
| Manifest | 135db08a17b548c6dc29ced7040196b74f00e19c78a8913112c024499ad4996f |
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 | 3k6iPJs/o/kq3Wg6X23XDC+uPPgdu09Z62lIHzI9Iw+9O68rfAfPCxqGrV/7GTX/4B1LtL2dX4QhKy7ptMKUCA== |
| 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
| 2026-09-17T11:00:06.044209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050731observed abf36f85fa0e0515d620f23a35b8c031...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:00:06.024710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050731/manifest.jsonobserved 135db08a17b548c6dc29ced7040196b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:06.002297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050731/publication.mdobserved 06c2718dd403714606b34a7edc62a7cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:05.999444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050731observed abf36f85fa0e0515d620f23a35b8c031...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:05.981435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050731/manifest.jsonobserved 135db08a17b548c6dc29ced7040196b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:05.980827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050731/publication.txtobserved 813736fdebd715fe5c949a9978f5d85c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:05.960856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050731/publication.mdobserved 06c2718dd403714606b34a7edc62a7cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:05.941556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050731/publication.txtobserved 813736fdebd715fe5c949a9978f5d85c...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. |
|---|