OT-2026-000021440
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000021440) never changes.
Identity and time
| Publication number | OT-2026-000021440 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-72c6-98fa-5375acc9985f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021440 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0bcbb0b21b3fd7f3267e67c9dfa69f4e8d25703449f9eb0a29fb6afea428eaa2 |
|---|---|
| Markdown | 8d848dd72f131cc7ff936ed026d9c3c1e10ee6f30ef08ef55b1023777807673e |
| Publication page | 6b6784392eb0886a2b4854d955b180565e0f1e541172719023222f9b7c567f9a |
| Manifest | 03bfc252745d5d201b514f3f8481ec669754826ef969296a1504bb63defdc576 |
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 | qptYkRJMvPNx2WFcbZD+P+yW7XfCCj8cFoEK5lsic2Zjr/ZrK1e6X3g7XNhXhBxFv4aRyxf835rgf6W0lXScAg== |
| 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
| 2026-09-17T11:55:21.227626Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021440observed 6b6784392eb0886a2b4854d955b18056...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:21.209877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021440/manifest.jsonobserved 03bfc252745d5d201b514f3f8481ec66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:21.189474Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021440/publication.mdobserved 8d848dd72f131cc7ff936ed026d9c3c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:21.170190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021440/publication.txtobserved 0bcbb0b21b3fd7f3267e67c9dfa69f4e...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. |
|---|