OT-2026-000035729
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000035729) never changes.
Identity and time
| Publication number | OT-2026-000035729 · never reused |
|---|---|
| Internal UUID | 01a0ae76-b4c8-7376-9a56-98d58a844756 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:23:30.265572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000035729 |
| Status | PUBLIC |
Content hashes
| Canonical text | b2f603a2a331a4130bd0c9b4e22901068a4e6b5e9394b36e12442d724c511fe8 |
|---|---|
| Markdown | b6cf8e8a4900ee6f3ed91d8ac31f6645d6832fb0e3bb8d612d7f3dcb536681bc |
| Publication page | 420d44c6bfdbd563db8facab8333eaa84674e4e3d3faa225d3a061620ffefe00 |
| Manifest | 691ac0c4e3e8f43dfa02ffaec638bb87eb7d462e678f6ede5e106a944edfd3a5 |
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 | x3kyI1osnqFiawxFWggFPbK9PnMm3jPmNsz6MKZ6dtbq7rxgvPS5uGZQESeC9NDOc7DSMw6ZZalgzzuAiifHDA== |
| 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
| 2026-09-17T16:42:35.621467Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000035729observed 420d44c6bfdbd563db8facab8333eaa8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T16:42:35.462007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000035729/manifest.jsonobserved 691ac0c4e3e8f43dfa02ffaec638bb87...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:42:35.315075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000035729/publication.mdobserved b6cf8e8a4900ee6f3ed91d8ac31f6645...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:42:35.175174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000035729/publication.txtobserved b2f603a2a331a4130bd0c9b4e2290106...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:27:19.105654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000035729observed 420d44c6bfdbd563db8facab8333eaa8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:27:19.087430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000035729/manifest.jsonobserved 691ac0c4e3e8f43dfa02ffaec638bb87...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:27:19.069528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000035729/publication.mdobserved b6cf8e8a4900ee6f3ed91d8ac31f6645...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:27:19.049519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000035729/publication.txtobserved b2f603a2a331a4130bd0c9b4e2290106...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. |
|---|