OT-2026-000028890
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000028890) never changes.
Identity and time
| Publication number | OT-2026-000028890 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7f35-ba86-d8b4aedf64ef · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028890 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4816e55b1db1d5cc42852524fd8651054a1d0bdab04e5fe4c66f6ffc4d6ff2e3 |
|---|---|
| Markdown | a3477e1e63d0615658ed7434607ff239884ea173dd08b3e5fe469be900485db3 |
| Publication page | a8511bf007f26155ebb31147a154c2cc53b2c30ca0cb21eef8a726d428425de0 |
| Manifest | 092bd1f4a77785bd568ecfb69550ee530d7a137938ed4d23bea30c41b7afe5b4 |
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 | KCpx/Rtb3fR5bAT+kPeD6RNRmkjb9ilROOm3atwXNlV2kxLx0EvKHmCfSH5K4kE+RsNrw2Bef5tWtjy8hMOhDw== |
| 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
| 2026-09-17T08:20:15.751497Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028890observed a8511bf007f26155ebb31147a154c2cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:15.734110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028890/manifest.jsonobserved 092bd1f4a77785bd568ecfb69550ee53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:15.717362Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028890/publication.mdobserved a3477e1e63d0615658ed7434607ff239...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:15.700522Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028890/publication.txtobserved 4816e55b1db1d5cc42852524fd865105...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. |
|---|