OT-2026-000100551
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000100551) never changes.
Identity and time
| Publication number | OT-2026-000100551 · never reused |
|---|---|
| Internal UUID | 01a0aea3-66f1-7edf-8d72-f488ba21ffaf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:12:19.463543Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000100551 |
| Status | PUBLIC |
Content hashes
| Canonical text | f4ac6cb3ca2a2ec46aa3f3e843a6fea4be8fd1d29ae52589e7a56a364fa174db |
|---|---|
| Markdown | f061a33d35e9fcd997fd1cd18747d0e8b1c2b37a10f1de9d7d000622006c4581 |
| Publication page | ce9bb7c7c1cf63f72209463e64dce480a43aba15fc21f6d8d21c9c75cf575d92 |
| Manifest | 5d06b31aec0a88e08392120e118b84da38eebcd7f9abb7c1da1e7b9e9354a42b |
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 | PnowZCBRug8IQ5jCZTvhTywVkN4nPYdHkhhibZAps5jRbLnMhhFuwPTkJbRPKYmFI7vvgIrKKGFYVKsPNOIMBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:27:19.455714Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100551observed ce9bb7c7c1cf63f72209463e64dce480...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:27:19.437313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100551/manifest.jsonobserved 5d06b31aec0a88e08392120e118b84da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:19.420563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100551/publication.mdobserved f061a33d35e9fcd997fd1cd18747d0e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:19.404557Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100551/publication.txtobserved f4ac6cb3ca2a2ec46aa3f3e843a6fea4...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. |
|---|