OT-2026-000028640
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000028640) never changes.
Identity and time
| Publication number | OT-2026-000028640 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7926-bef4-469c2d80d30b · 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-2026-000028640 |
| Status | PUBLIC |
Content hashes
| Canonical text | b1580b7858c6391f0bf6f5d06e1467b62b02d0057281a1cc8add8350feef9e17 |
|---|---|
| Markdown | 02a5cc5286827a5f13854b5f8322e2d79506f48c71a072550398c0a8dcaff122 |
| Publication page | d194f81dab92aca49d2768aa880845b473af88f3896fe7915b6de73c050f9446 |
| Manifest | 853998c56cc50856d7044665a4c93e57962ceac93c312254114cffaa86487ade |
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 | k7NE2z7Vdsj9LgHQhx3I5HI/W8ydKIBZLeRLpbw0RxkWlbpZqBt6to5uC8iZqWCdsqW62n69bRUjUa7lmb3QDQ== |
| 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
| 2026-09-17T11:41:30.687497Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028640observed d194f81dab92aca49d2768aa880845b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:30.668584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028640/manifest.jsonobserved 853998c56cc50856d7044665a4c93e57...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:30.648856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028640/publication.mdobserved 02a5cc5286827a5f13854b5f8322e2d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:30.630637Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028640/publication.txtobserved b1580b7858c6391f0bf6f5d06e1467b6...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. |
|---|