OT-2026-000028212
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000028212) never changes.
Identity and time
| Publication number | OT-2026-000028212 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a521-7400-9a50-11918aace69b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028212 |
| Status | PUBLIC |
Content hashes
| Canonical text | 10ac69762e2c1365b54df22b9b3c7ae08b51a2004667acaae6c713e84b66dae9 |
|---|---|
| Markdown | b90ceb9ef9548e7408b7bd2d0a06212c4cd558cfd3775abe4368f805ef8a8a71 |
| Publication page | f1c2f55450741379fb46184b8ee0dc8d3c3438227f8dcf0090cee14444eab472 |
| Manifest | 0f2af0acb36cc6b1379d443f212979c7527da2080987f7805db163890d053a77 |
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 | Vp95fJOnNXS86HW0qIkU2NigiRJf8W0X0DsolflwzS+tSCrLJjrTD/YEdv4qJJACtjWQ7l5eeYKybBYV1Av+AQ== |
| 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
| 2026-09-17T11:42:34.492661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028212observed f1c2f55450741379fb46184b8ee0dc8d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:34.475578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028212/manifest.jsonobserved 0f2af0acb36cc6b1379d443f212979c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:34.456831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028212/publication.mdobserved b90ceb9ef9548e7408b7bd2d0a06212c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:34.439082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028212/publication.txtobserved 10ac69762e2c1365b54df22b9b3c7ae0...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. |
|---|