OT-2026-000028446
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000028446) never changes.
Identity and time
| Publication number | OT-2026-000028446 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7a80-bc65-00f51265eac2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028446 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9ba57760b271c589fd3d2e9ecd3c8cafe1d9b2da01417f1a18cfc100a1f4f54d |
|---|---|
| Markdown | 656bc53dc553d1b2df8c9305d2e73af0605101450a2259cc9ca017216eb0e068 |
| Publication page | 1f3cbaa9b82a6283615debb9773493bc60d21b7365a9dc7da603f1617bb75f03 |
| Manifest | 8ccb1550c7284ec4adac3d4360122ce96753c318c806a8e45632401e20884402 |
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 | ay1mbmfJ/ZhJ2jjIwHWvKasrzw3NfyZVrMmjLujWC73PV2xG5T6mX/AOX1yMyGSoisHUptGvU880JOf7JfLcCw== |
| 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
| 2026-09-17T11:40:34.975392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028446observed 1f3cbaa9b82a6283615debb9773493bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:34.957751Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028446/manifest.jsonobserved 8ccb1550c7284ec4adac3d4360122ce9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:34.936716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028446/publication.mdobserved 656bc53dc553d1b2df8c9305d2e73af0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:34.920141Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028446/publication.txtobserved 9ba57760b271c589fd3d2e9ecd3c8caf...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. |
|---|