OT-2026-000020170
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000020170) never changes.
Identity and time
| Publication number | OT-2026-000020170 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7063-892e-a577adc89058 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020170 |
| Status | PUBLIC |
Content hashes
| Canonical text | e87f9a52a1e98d6e3255c12e172af88217740880e71a1ca4365def069b39d625 |
|---|---|
| Markdown | cbe2f5ad4070bf5ab9af4e800876c438fbaa8fe0aa24242cb3332336afffb06f |
| Publication page | 638bcdc23a281ce985cc585a6cb733392423eea014d9784e302b2287ce85cd9b |
| Manifest | abcd34c3215a93ddd75364d81c904e2086228d292baf11b053c8b97e1cac730e |
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 | kwSXyYZ1l1+UvRrIIAQPHgJi5tBfNs3LkrryEGIzL3Wl6H5uBeyiyUiZyRjgjGkEinwdmsbkc3mhQoyKWZBoAg== |
| 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
| 2026-09-17T11:56:29.299722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020170observed 638bcdc23a281ce985cc585a6cb73339...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:29.282591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020170/manifest.jsonobserved abcd34c3215a93ddd75364d81c904e20...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:29.263309Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020170/publication.mdobserved cbe2f5ad4070bf5ab9af4e800876c438...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:29.245275Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020170/publication.txtobserved e87f9a52a1e98d6e3255c12e172af882...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. |
|---|