OT-2026-000028771
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed 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-2026-000028771) never changes.
Identity and time
| Publication number | OT-2026-000028771 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-79cb-8d75-d45355ceef90 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028771 |
| Status | PUBLIC |
Content hashes
| Canonical text | a2427ac09159a46e1a5ff21ad2e9e46ec4bb439e5c91ac82fc5197349ca53a5d |
|---|---|
| Markdown | e31d70a4bbb98a09334c489730ca0c590302a300d7d0557764c81c5537eabc81 |
| Publication page | f84bf85df52c5ce2887b94bc472eccb45a4f4142f61849cce5dced997645f9e6 |
| Manifest | 7cc2eafab1a7c18a8d91bce159f9588f21e5afbf7dff48375e824fb1e4688d8c |
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 | crcz+Ita7J4fyldz4lXh0j2BwJMditwyrOxJbGskQbJB5xb0YGAyolO4A/1Q5n2cz1bJleIaKsdGAxkvwINWDg== |
| 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
| 2026-09-17T11:39:59.689654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028771observed f84bf85df52c5ce2887b94bc472eccb4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:59.672132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028771/manifest.jsonobserved 7cc2eafab1a7c18a8d91bce159f9588f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:59.656553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028771/publication.mdobserved e31d70a4bbb98a09334c489730ca0c59...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:59.638525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028771/publication.txtobserved a2427ac09159a46e1a5ff21ad2e9e46e...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. |
|---|