OT-2026-000068981
Publication integrity record
Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000068981) never changes.
Identity and time
| Publication number | OT-2026-000068981 · never reused |
|---|---|
| Internal UUID | 01a0ae90-6dcd-7553-a056-effacdd652cc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:51:36.025578Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000068981 |
| Status | PUBLIC |
Content hashes
| Canonical text | 106340f43cfda6e7b412f16bbbd06acecfb542fbde3f6a5e4fc232d94cec9f03 |
|---|---|
| Markdown | a7e2b7edac73417ae6f8c751b5ff7de0b46ab84333426c8b10d8fb9771872dfd |
| Publication page | dc50a51f9cae82f6a09598a88c79df360c1a5933744d2d0809760a67255fb820 |
| Manifest | 7be28fd7739fdfe0466ace795962cf43b03d3a5a82ca181b6e68363405b56a58 |
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 | jY2OLWyK1XzILYMzvL7QzMIt3BqZjIy/i6AdbpfvXs17KoOKOwokupQNfWnyCbhbwhHunRsX9/XVne2K0olNAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-30T00:41:48.280423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068981observed dc50a51f9cae82f6a09598a88c79df36...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T00:41:48.207920Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068981/manifest.jsonobserved 7be28fd7739fdfe0466ace795962cf43...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T00:41:48.120514Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068981/publication.mdobserved a7e2b7edac73417ae6f8c751b5ff7de0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T00:41:47.986088Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068981/publication.txtobserved 106340f43cfda6e7b412f16bbbd06ace...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:41:47.727349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068981observed dc50a51f9cae82f6a09598a88c79df36...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:41:47.613666Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068981/manifest.jsonobserved 7be28fd7739fdfe0466ace795962cf43...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:41:47.519006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068981/publication.mdobserved a7e2b7edac73417ae6f8c751b5ff7de0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:41:47.387640Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068981/publication.txtobserved 106340f43cfda6e7b412f16bbbd06ace...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 |
|---|