OT-2026-000019931
Publication integrity record
Four bellows cup vacuum gripper, four zone face, single stage ejector, 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-2026-000019931) never changes.
Identity and time
| Publication number | OT-2026-000019931 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb7-71ac-bdeb-0516cf7c2308 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019931 |
| Status | PUBLIC |
Content hashes
| Canonical text | 11b3c09ce8d94d0301b086de42bbcafd5f4f27dd8d3352090ffefe84e0718c28 |
|---|---|
| Markdown | db59d52697c0a02750074ad8b6f9e859bc5c7d91fc8844b97c36614194f4d31a |
| Publication page | 9a1b6b342bbc0eaa55d4b7420eb3fcb4d32f4c96eb2099220e5ba88fa881ec70 |
| Manifest | fd55535aa6db9fccff09f63040429372dfb0133e1b77a2e16af889d07b021f08 |
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 | 9b6uAIoOENrJYN3jQBR0D5l7dkVDxaRdkYjINZ6hXZ4z/nFxnQgpkpPlPaMelYJtQsXHrx23hKlQ6jL/uHZ8Dg== |
| 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
| 2026-09-17T11:58:09.282867Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019931observed 9a1b6b342bbc0eaa55d4b7420eb3fcb4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:09.266172Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019931/manifest.jsonobserved fd55535aa6db9fccff09f63040429372...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:09.247369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019931/publication.mdobserved db59d52697c0a02750074ad8b6f9e859...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:09.229718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019931/publication.txtobserved 11b3c09ce8d94d0301b086de42bbcafd...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. |
|---|