OT-2026-000077077
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000077077) never changes.
Identity and time
| Publication number | OT-2026-000077077 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f507-7959-94e2-df5be8974245 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077077 |
| Status | PUBLIC |
Content hashes
| Canonical text | c40be80c2795329660779eebde2e5a7f3f79e0b562ba39d510878ae349e56120 |
|---|---|
| Markdown | 2e53f323217dbc9898ed94e0a1c992109aa48023a0b4acae665efab26af290b1 |
| Publication page | 5d1d88f5e77af67f72fd4d64c559feba286460571f8e55a4677d59db5994a60a |
| Manifest | b7e1af2f59f845a0ac3319af5ff265e54c5fd01a6aa3aaa728f0890051a0788b |
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 | cxrxtZgs8UWVnQDjSZ74OHompMivwgg3asy+XBLr2FDxa0L/8Sk1zftGycbn6rkl5pp9uJuUQk5gNR3N6qebCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:11:27.949636Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077077observed 5d1d88f5e77af67f72fd4d64c559feba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:11:27.808205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077077/manifest.jsonobserved b7e1af2f59f845a0ac3319af5ff265e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:27.786117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077077/publication.mdobserved 2e53f323217dbc9898ed94e0a1c99210...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:27.769026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077077/publication.txtobserved c40be80c2795329660779eebde2e5a7f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:31.959953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077077observed 5d1d88f5e77af67f72fd4d64c559feba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:31.940860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077077/manifest.jsonobserved b7e1af2f59f845a0ac3319af5ff265e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:31.922825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077077/publication.mdobserved 2e53f323217dbc9898ed94e0a1c99210...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:31.904871Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077077/publication.txtobserved c40be80c2795329660779eebde2e5a7f...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. |
|---|