OT-2026-000010384
Publication integrity record
Single bellows cup vacuum gripper, single stage ejector, sustained 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-2026-000010384) never changes.
Identity and time
| Publication number | OT-2026-000010384 · never reused |
|---|---|
| Internal UUID | 01a0ae6c-0ee6-78c4-ba4c-7bfc727349db · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:11:52.445886Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000010384 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9b6cf91f9eca95db9d9d4819cba71f9d70ba6dd3deed8c046afde46a7e6ea018 |
|---|---|
| Markdown | e273c8203597c7ad0ba80f1c360b68f3e5ef9a364b06be8f8fb44ef800c27e83 |
| Publication page | 74dee978ea31e9dd493c23a0fbbdbceb55bfd72530e3801285f8380f5e605cb7 |
| Manifest | c2884e015d700b709073c3aae8b0cb55e8d389968e3ab7c60356a45937491111 |
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 | 5X4usCFYvXwK2qn+weNIwRjlJ6sLqzq1GJsLJ9Z2UhFUVIhpQk5DB7uBZ2AMCRVGVF2CchpxPj5pKU3rSGvcCQ== |
| 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
| 2026-10-30T04:41:20.511974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000010384observed 74dee978ea31e9dd493c23a0fbbdbceb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T04:41:20.438639Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000010384/manifest.jsonobserved c2884e015d700b709073c3aae8b0cb55...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T04:41:20.348547Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000010384/publication.mdobserved e273c8203597c7ad0ba80f1c360b68f3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T04:41:20.199926Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000010384/publication.txtobserved 9b6cf91f9eca95db9d9d4819cba71f9d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T04:41:52.611639Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000010384observed 74dee978ea31e9dd493c23a0fbbdbceb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T04:41:52.520192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000010384/manifest.jsonobserved c2884e015d700b709073c3aae8b0cb55...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T04:41:52.465343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000010384/publication.mdobserved e273c8203597c7ad0ba80f1c360b68f3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T04:41:52.388373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000010384/publication.txtobserved 9b6cf91f9eca95db9d9d4819cba71f9d...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|