OT-2026-000100428
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000100428) never changes.
Identity and time
| Publication number | OT-2026-000100428 · never reused |
|---|---|
| Internal UUID | 01a0aea3-66ef-7fc9-b756-ff6b91e8d43f · 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-2026-000100428 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2fc811ea6742c272c4c44a146269903ccc9009db77b4f4b5c78c84a1305da29d |
|---|---|
| Markdown | 9f290058cb0de395880b09f3627b3ff146ba19289050015837a3aef9e92441c4 |
| Publication page | aba51647fcbd516dbccb17bad22e4e8f94a4c083253b09aa7ee3d616dc80cadb |
| Manifest | 6a3f73a5f529690b23e5e06975ed4631cd4d26e6097020facc55b88be6b3073b |
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 | d/fDJ0g5tPrkBw/zr9aOHKbEuwJsxiVZMLN5vLfAzIbLtWaE0mlO3CDfYGONQVNrApsLKnHP7jkZ+bz+ZjBqCg== |
| 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
| 2026-09-17T09:27:10.185377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100428observed aba51647fcbd516dbccb17bad22e4e8f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:27:10.168732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100428/manifest.jsonobserved 6a3f73a5f529690b23e5e06975ed4631...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:10.151109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100428/publication.mdobserved 9f290058cb0de395880b09f3627b3ff1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:10.133684Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100428/publication.txtobserved 2fc811ea6742c272c4c44a146269903c...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. |
|---|