OT-2026-000028779
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000028779) never changes.
Identity and time
| Publication number | OT-2026-000028779 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7db7-865e-1bd4758f0dab · 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-2026-000028779 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1483962f97d0f31621a33daa5c6cadaed4decd0407266ea4fc646d65ee3660f2 |
|---|---|
| Markdown | 0974445a068faa3b7e93e193a6b7102108e89e81ae2be65c2b468fe47736622d |
| Publication page | 19fe4c6051aa8144ba54263f5220c97c933d077a1e23d8dd421ee86e78f67a64 |
| Manifest | d2041b9da2a9799e2fb3faccbba90021e389131169947f9d2fbf324aaf8f527f |
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 | rr9FXoFaaSRGhycPnCRRGMCEodS6+5vHl1HtAuXrhfWLbmxD6xoGKM3+rpd8+Cb6ZU7YIiYt5jtfhBGzCmukDw== |
| 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
| 2026-09-17T11:40:00.378824Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028779observed 19fe4c6051aa8144ba54263f5220c97c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:00.359949Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028779/manifest.jsonobserved d2041b9da2a9799e2fb3faccbba90021...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:00.342303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028779/publication.mdobserved 0974445a068faa3b7e93e193a6b71021...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:00.322085Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028779/publication.txtobserved 1483962f97d0f31621a33daa5c6cadae...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. |
|---|