OT-2026-000028438
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down
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-2026-000028438) never changes.
Identity and time
| Publication number | OT-2026-000028438 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7aa4-8bdb-056508275f7b · 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-2026-000028438 |
| Status | PUBLIC |
Content hashes
| Canonical text | bef85f44e1274fd0f640e84d08c7087fa99081e66313334d27ebe8e8d54e736c |
|---|---|
| Markdown | 36baa64d3b216cad5e0943f9f9d3cff7800ccc3ad755fce6882a569e28f92d23 |
| Publication page | 8daed5bcb00b27dced7b67f00cbe712cca3f3766253f358e827070499109bac8 |
| Manifest | cbe65e9f74e454e77db0fce490f2b371137ac2399c755fc4158e7e6b3cf52089 |
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 | QlSZYqD2RV2ptc5pLPuTtorUCOeBebckTX0Lb98omYF/znxtw/fPJmsf4sLsqUQl6ZVQNsHDBG/XLFym6/C5Dw== |
| 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
| 2026-09-17T11:40:34.401893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028438observed 8daed5bcb00b27dced7b67f00cbe712c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:34.383954Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028438/manifest.jsonobserved cbe65e9f74e454e77db0fce490f2b371...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:34.363292Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028438/publication.mdobserved 36baa64d3b216cad5e0943f9f9d3cff7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:34.345594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028438/publication.txtobserved bef85f44e1274fd0f640e84d08c7087f...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. |
|---|