OT-2026-000028772
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, pump fed, sustained 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-2026-000028772) never changes.
Identity and time
| Publication number | OT-2026-000028772 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7fc2-b817-eb13d054daf2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028772 |
| Status | PUBLIC |
Content hashes
| Canonical text | da3f9870ba3ac17cd3ae97006d2da8e95d04a029c85dc63b2d5e83ee1cd48c3b |
|---|---|
| Markdown | 0b05b1f781cc342bf573804bfa316dcf221aeb0a0efb2fe82334505e120cae48 |
| Publication page | 4571844e0302f3a6646fee128053e610bb0eba82ac1efc93e4a29c3d61b92338 |
| Manifest | e1211c9cc78eb3ec38d90e6aecebc1286776b7ad0e92a7d0b40e0ddaa5293d6e |
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 | zcb534LgRbVULeahmRswoG/Xlr+LsMRWt+Rh8APWrjlnGABeU7wxNbIuxDlnCJO9ypENNKCPrvNe9c+WzWYaCg== |
| 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
| 2026-09-17T11:39:59.768698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028772observed 4571844e0302f3a6646fee128053e610...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:59.748468Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028772/manifest.jsonobserved e1211c9cc78eb3ec38d90e6aecebc128...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:59.732164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028772/publication.mdobserved 0b05b1f781cc342bf573804bfa316dcf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:59.712672Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028772/publication.txtobserved da3f9870ba3ac17cd3ae97006d2da8e9...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. |
|---|