OT-2026-000028769
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000028769) never changes.
Identity and time
| Publication number | OT-2026-000028769 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7ae1-8067-77054b1ceaff · 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-2026-000028769 |
| Status | PUBLIC |
Content hashes
| Canonical text | e9c68e62136f04f7bd9c89898ba99969ef3915d902b5fc3c47bc21959cba52af |
|---|---|
| Markdown | a2eb9edfd227a3c597e57ef263c0bc1bfffe7d396c61c18e16770b7e97c9b674 |
| Publication page | 692ed7d783b94f2fdc11c16f3cfdc5d61e86bdbc6cd0e4ff89dbbfd3981fc505 |
| Manifest | 57585e92d0b61d5d4eabca4338edb213d22a4d103e044fdf7dedb992dda8da6f |
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 | X/rEVEqSUC+6GKAC/IwvfWk7YTYrLZPCrjJAaUZDlV4weSEywVaxQvv/nm3SI+RDw459xjUi5xBX92wtfFjbCA== |
| 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
| 2026-09-17T11:39:59.547209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028769observed 692ed7d783b94f2fdc11c16f3cfdc5d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:59.530225Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028769/manifest.jsonobserved 57585e92d0b61d5d4eabca4338edb213...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:59.514486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028769/publication.mdobserved a2eb9edfd227a3c597e57ef263c0bc1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:59.495118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028769/publication.txtobserved e9c68e62136f04f7bd9c89898ba99969...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. |
|---|