OT-2026-000028300
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, sustained blow-off before set-down
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-2026-000028300) never changes.
Identity and time
| Publication number | OT-2026-000028300 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-71d3-9ec4-504c26f22b88 · 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-2026-000028300 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2feb367e932ad11f9d489f588e6efcc560cfd5d6ab7e9c507e758d66a4a27bc6 |
|---|---|
| Markdown | 105b474ee8be2c5c70d44c0576fac9e92fddc5c6a138e3d99ae769042e443800 |
| Publication page | 2b13eddd61228b7abac789e1f5c1e6d7211f47191c038576beac2aa947713b83 |
| Manifest | 73361220df711418180b676e1422e5588b5d57d359b25459949d0ca988eef065 |
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 | n5aJOtTr+zv96/o7aY0spGibjKit5P/cuXKgJeldFgA+nzMCRtLT+BLsmzCiFAWLUiO/0RcwSubvmQlGws6LDw== |
| 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
| 2026-09-17T11:40:17.457708Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028300observed 2b13eddd61228b7abac789e1f5c1e6d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:17.440252Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028300/manifest.jsonobserved 73361220df711418180b676e1422e558...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:17.421030Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028300/publication.mdobserved 105b474ee8be2c5c70d44c0576fac9e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:17.399444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028300/publication.txtobserved 2feb367e932ad11f9d489f588e6efcc5...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. |
|---|