OT-2026-000028667
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000028667) never changes.
Identity and time
| Publication number | OT-2026-000028667 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7428-94bc-2f35e64aabb1 · 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-2026-000028667 |
| Status | PUBLIC |
Content hashes
| Canonical text | adb2f86fbf741704057157e923c1ccd5dd5e4cb4978e8238cb3cfceb7afd06bc |
|---|---|
| Markdown | 879da907ba9094a32b958043e3281980746e92ce4afc527c28fb3596580e4068 |
| Publication page | 19d31ed477bb947524cefa8b3b9e2a95665f8b2fbb57a18c266f13a5994bb0cc |
| Manifest | b0749acba6609a61b9a250cad882945517880ae3bfdcf6b999e9828a03c558a4 |
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 | Q8v9xUHnY+5wSE4VQWaXLnusdRUIVbQ9APeHR8JGeT5PyWMKLUSRozl16kEj/1VJJh3bclR9vTd45xLSHXZJBw== |
| 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
| 2026-09-17T11:41:32.983522Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028667observed 19d31ed477bb947524cefa8b3b9e2a95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:32.963501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028667/manifest.jsonobserved b0749acba6609a61b9a250cad8829455...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:32.939537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028667/publication.mdobserved 879da907ba9094a32b958043e3281980...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:32.920591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028667/publication.txtobserved adb2f86fbf741704057157e923c1ccd5...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. |
|---|