OT-2026-000028560
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000028560) never changes.
Identity and time
| Publication number | OT-2026-000028560 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-778e-941a-5c9c33e6e63f · 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-2026-000028560 |
| Status | PUBLIC |
Content hashes
| Canonical text | a2df9a45477216d391abe830c728e561d6eb32baf4f07fa376063ce5c330cc9d |
|---|---|
| Markdown | 5d5045382641403f3f9426b2bac45be3adfb21c9b37bb429f718b6d0847948ac |
| Publication page | 475f255cf58be08a8c98686b0f04d4abe08886252ccd2fc569b4f2aff4f68134 |
| Manifest | f3c1be1a7520b93f2213e5ed89a0328045e5b15f3cd6fee4b2d02216bd62bb91 |
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 | U2V7rxTx9YRU7mGI/sfHSZGXROTkmfdcALyaidSKpQtlI6DHYYTSxEQW5jIRQ2nV1I4dx1r1tyUWYKny1kcDAQ== |
| 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
| 2026-09-17T11:40:50.723199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028560observed 475f255cf58be08a8c98686b0f04d4ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:50.705543Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028560/manifest.jsonobserved f3c1be1a7520b93f2213e5ed89a03280...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:50.687325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028560/publication.mdobserved 5d5045382641403f3f9426b2bac45be3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:50.669851Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028560/publication.txtobserved a2df9a45477216d391abe830c728e561...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. |
|---|