OT-2026-000031252
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000031252) never changes.
Identity and time
| Publication number | OT-2026-000031252 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ab-7f54-a2c5-5a5ff3750ff9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031252 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8cddc5fe51e721dffa07c9d69719e7101cd6ecec7ed3c9fae6965abfce202739 |
|---|---|
| Markdown | 3bfd76d9c338f498630f4e410ff79a8cc7e4126bbb19910fc29c73bea698e92d |
| Publication page | dde2538551c2547e10949821df37c011ad8c11435579c55a735e3333049bde68 |
| Manifest | 9ec03c01d54f5b36d6474d4f5c88405985088e47798a5ab96e30d6e13094704f |
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 | 6XYv2to2x8On8bzvNC43XH1xT1uaaNsPnGKkIjTmAbIdQnSbjE/iwXbcEhaK0qtwlty8v/LhgsIpSrZcy18wAA== |
| 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
| 2026-09-17T11:35:49.676909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031252observed dde2538551c2547e10949821df37c011...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:49.658553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031252/manifest.jsonobserved 9ec03c01d54f5b36d6474d4f5c884059...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:49.617189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031252/publication.mdobserved 3bfd76d9c338f498630f4e410ff79a8c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:49.584629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031252/publication.txtobserved 8cddc5fe51e721dffa07c9d69719e710...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. |
|---|