OT-2026-000028452
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000028452) never changes.
Identity and time
| Publication number | OT-2026-000028452 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7204-9169-e1a6a794d45f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028452 |
| Status | PUBLIC |
Content hashes
| Canonical text | 977a215f6782d779a273c03d08bcee2ce4ee202faed5155088a7b02b637516b6 |
|---|---|
| Markdown | 5ecca356cd89e600a81f7b442abaec70aa07116ba8d9e22be39c882096987aa6 |
| Publication page | 300f297dffb18b3002e1ec52a8831e72c238c4641157c120be3ef9cf9427aaae |
| Manifest | 3cd661abef3d524e53b959c6775093eb7f9fea3bff85205b0432d310aeb3ffae |
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 | jjxq3Cw9hWdMgTpI1cUI/ZmARD34BIPX96+s0g6NmCLaJFlL1MGpTwc6stuadyp+RI9+qkWj6/d7KVwSbWlWDQ== |
| 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
| 2026-09-17T11:40:35.497224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028452observed 300f297dffb18b3002e1ec52a8831e72...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:35.479060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028452/manifest.jsonobserved 3cd661abef3d524e53b959c6775093eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:35.462303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028452/publication.mdobserved 5ecca356cd89e600a81f7b442abaec70...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:35.442915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028452/publication.txtobserved 977a215f6782d779a273c03d08bcee2c...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. |
|---|