OT-2026-000028130
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000028130) never changes.
Identity and time
| Publication number | OT-2026-000028130 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7495-8f37-b53d71160898 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028130 |
| Status | PUBLIC |
Content hashes
| Canonical text | a0081cdd6fa6653266f2d028e1ee2daf62753c1edda517b442936ee7e5e75ec1 |
|---|---|
| Markdown | 1c68ca87878f52506618c48d877d7d05c0d2bfcf142b59e60aac18c187c1f865 |
| Publication page | f4e070318759d2b3aa3764cd883ee26ddb81901454d3afa7f758b03e6f5e6985 |
| Manifest | 7a0be2a8df0005a35b75490dadcdb49c8aa76a5bf1244403a56eac82ab1b80ac |
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 | 3koXAEiJXbSGYICrRsAx4sqFMvBEuTQkA7NtS68DqEMk7eYZTj4iLy3rqKFo2J8kcykH1QpQkXdCf1qsgNZEDg== |
| 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
| 2026-09-17T11:42:28.913037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028130observed f4e070318759d2b3aa3764cd883ee26d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:28.894349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028130/manifest.jsonobserved 7a0be2a8df0005a35b75490dadcdb49c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:28.877877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028130/publication.mdobserved 1c68ca87878f52506618c48d877d7d05...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:28.861571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028130/publication.txtobserved a0081cdd6fa6653266f2d028e1ee2daf...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. |
|---|