OT-2026-000052168
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000052168) never changes.
Identity and time
| Publication number | OT-2026-000052168 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e790-73ea-96e6-971eb55f3a56 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052168 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7f15ddeb973afe5d71b92f8ed4e2f6cee5016f1b9f995d38143a3f846620cea8 |
|---|---|
| Markdown | 16cd3572bdbda6cb8cf9371aaa738ae010e7410fda1092af812cfe53f558acf4 |
| Publication page | 91a6f4cb22c9c5147fd51b4f9b237e4beaaa3426530e2bc9beec869cd7034763 |
| Manifest | 439cc8546aa6e46ec3c8be5f4774449fbff41fc1b7f42729b33f96add8b769de |
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 | 49kgINK0TOsPbhVBFvCxq61kcSZlPAMgM+zjWHNe5D49gpMgLajgpPvVMUDYNfwAvdcLKiMKaXbdoTLaU7lrBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:43.594363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052168observed 91a6f4cb22c9c5147fd51b4f9b237e4b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:43.556237Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052168/manifest.jsonobserved 439cc8546aa6e46ec3c8be5f4774449f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:43.539139Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052168/publication.mdobserved 16cd3572bdbda6cb8cf9371aaa738ae0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:43.522481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052168/publication.txtobserved 7f15ddeb973afe5d71b92f8ed4e2f6ce...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. |
|---|