OT-2026-000028861
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000028861) never changes.
Identity and time
| Publication number | OT-2026-000028861 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7838-99bc-80b27c709774 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028861 |
| Status | PUBLIC |
Content hashes
| Canonical text | fc6acd30842a0d38aa325ac3eb27a02f2ab86a9ef5ef13ee1a38988b5211e92f |
|---|---|
| Markdown | 08e103d5f5d0c2ad348404457ca37eac999ffa04af686aa8816d72fae336c97a |
| Publication page | 3d02292504104fa58e78e8740481d4f61f951d189f1083f28da6fd417922b46d |
| Manifest | 0f61a64fe9860f26d05ce05d864b4c8016f8e7e8661fd4c2f6686f9c84eef57d |
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 | bsArmNo5kpGueMCn+txlMy7KdCpZRYFT9ZBDB5Fzqry7snNTf+30Sc9F5C69q+8vA42x5lFVzj05bbZPjWerDg== |
| 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
| 2026-09-17T08:20:11.023342Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028861observed 3d02292504104fa58e78e8740481d4f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:11.005247Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028861/manifest.jsonobserved 0f61a64fe9860f26d05ce05d864b4c80...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:10.987577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028861/publication.mdobserved 08e103d5f5d0c2ad348404457ca37eac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:10.970560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028861/publication.txtobserved fc6acd30842a0d38aa325ac3eb27a02f...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. |
|---|