OT-2026-000018492
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000018492) never changes.
Identity and time
| Publication number | OT-2026-000018492 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-b48a-79d9-89cb-9c7b3b5c1972 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:45.971508Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018492 |
| Status | PUBLIC |
Content hashes
| Canonical text | e79c679cdea7fb453e795cd88b02420072f01b475f505f8bd27a8c10c74d266d |
|---|---|
| Markdown | 3ac29f9d3bbd9d37ac91147db4dd51790d63a55ee70ebd468273067b79827214 |
| Publication page | 217a352ef3b8b5a13c52e9ce3d02bc51237a3566588c590833d03e103a7b9abb |
| Manifest | 9c6216d7787c17a8eeeadb0f07b8befb6d441ec164e6df20e88a66292afe6cfe |
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 | +XKquiQH7WqTKtD619u8ll927PNacP1uaPs/4KDZuNV4vxe9aWGszCC6dJzCsDo5ZV06zj3dDr7Y/1Y8O92dDw== |
| 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
| 2026-10-26T16:41:34.424619Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018492observed 217a352ef3b8b5a13c52e9ce3d02bc51...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T16:41:34.362777Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018492/manifest.jsonobserved 9c6216d7787c17a8eeeadb0f07b8befb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T16:41:34.163885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018492/publication.mdobserved 3ac29f9d3bbd9d37ac91147db4dd5179...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T16:41:34.101231Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018492/publication.txtobserved e79c679cdea7fb453e795cd88b024200...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:32.125101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018492observed 217a352ef3b8b5a13c52e9ce3d02bc51...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:32.069661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018492/manifest.jsonobserved 9c6216d7787c17a8eeeadb0f07b8befb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:31.995353Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018492/publication.mdobserved 3ac29f9d3bbd9d37ac91147db4dd5179...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:31.906718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018492/publication.txtobserved e79c679cdea7fb453e795cd88b024200...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 |
|---|