OT-2026-000031619
Publication integrity record
Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000031619) never changes.
Identity and time
| Publication number | OT-2026-000031619 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bacf-70f6-8b69-53d366d1ea99 · 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-2026-000031619 |
| Status | PUBLIC |
Content hashes
| Canonical text | 53c049f97c0a6734b7b674af6720e3aeb5ac7d6f67e53e2081d75a7f6bf7ad3f |
|---|---|
| Markdown | 506839fa6d9cc69ab7d429ec6ee47420dc1919bfaaddc4fce85e63df613e09f6 |
| Publication page | 75c0a1aee4f70b9a536802954a44e59969e80d24bad42151985950719e3bdb29 |
| Manifest | b581d9af47bd3c2ad850bfba200182fd3043abad701a4277c47fbda8b355d912 |
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 | C5o6XbW0TGSsTAJtifB7H6xFtTzHZP8g1nO5lz8+o5U3aD/ULpX75070zBSie442Erk6ivfFEYB3FavYkl80CQ== |
| 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
| 2026-09-17T11:34:40.048216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031619observed 75c0a1aee4f70b9a536802954a44e599...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:34:40.029533Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031619/manifest.jsonobserved b581d9af47bd3c2ad850bfba200182fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:40.008931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031619/publication.mdobserved 506839fa6d9cc69ab7d429ec6ee47420...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:39.992082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031619/publication.txtobserved 53c049f97c0a6734b7b674af6720e3ae...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. |
|---|