OT-2026-000031821
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000031821) never changes.
Identity and time
| Publication number | OT-2026-000031821 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-764e-acfc-e09240fd0313 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031821 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2435db9ad62ef812ce2df67f2f7d234c19551261a0ba020cb550951abbe364f7 |
|---|---|
| Markdown | 9b118ffb3d3bafc3d46a2bb4a4076d9cdc406a826d246f1e4d521792efb93a32 |
| Publication page | 8b416af958270548feafe5468b44a8d1042688e125185eab71b057d46383660b |
| Manifest | fcba298cfdc9c539d21fa3ccd9c73c454557ea3257dfffc7d246fc7c33507db5 |
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 | 5ZIwjTrsoj11c4ZZST30zaTKPv31k+kEy+kxZQBpAPN5EPdmJNrMXZukpPoqqnpBf18FP+ZemzZTUJvQvNCUDg== |
| 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
| 2026-09-17T12:42:33.376144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031821observed 8b416af958270548feafe5468b44a8d1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:42:33.229637Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031821/manifest.jsonobserved fcba298cfdc9c539d21fa3ccd9c73c45...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:42:33.110541Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031821/publication.mdobserved 9b118ffb3d3bafc3d46a2bb4a4076d9c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:42:32.933219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031821/publication.txtobserved 2435db9ad62ef812ce2df67f2f7d234c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:59.191547Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031821observed 8b416af958270548feafe5468b44a8d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:59.169446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031821/manifest.jsonobserved fcba298cfdc9c539d21fa3ccd9c73c45...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:59.145414Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031821/publication.mdobserved 9b118ffb3d3bafc3d46a2bb4a4076d9c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:59.121755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031821/publication.txtobserved 2435db9ad62ef812ce2df67f2f7d234c...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. |
|---|