OT-2026-000018540
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000018540) never changes.
Identity and time
| Publication number | OT-2026-000018540 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-b48a-7cfe-a91f-dae83ee2ef06 · 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-2026-000018540 |
| Status | PUBLIC |
Content hashes
| Canonical text | 74b3250a4347847624d4fae80f28620e4da3bcc468978af49b0a2991192a65b6 |
|---|---|
| Markdown | e83a254a15653e3cb5b611b4b5c80d29948c23fd7ea44d15ab0b756a8fc8b66f |
| Publication page | d3e8269891c8c0d3bf537fba207f8d76131e70a98743f3f57a5ceb834bfc9fbd |
| Manifest | f4e987b786f9235d995123f5d5b2b3d5ccfc65fde293111e47c6df157e1a4605 |
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 | wsTAN0bcQ3FqujIGrW5HV/lnAs/eZLVjea+LHuwLX9JK+zpbUPPLi6KXI/m9+Vv3RQTQN7ztdddRHP10x9wLBw== |
| 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
| 2026-09-17T12:01:19.152712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018540observed d3e8269891c8c0d3bf537fba207f8d76...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:01:19.133755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018540/manifest.jsonobserved f4e987b786f9235d995123f5d5b2b3d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:01:19.114659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018540/publication.mdobserved e83a254a15653e3cb5b611b4b5c80d29...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:01:19.096801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018540/publication.txtobserved 74b3250a4347847624d4fae80f28620e...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. |
|---|