OT-2026-000100541
Publication integrity record
Foam pad vacuum gripper, four 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-2026-000100541) never changes.
Identity and time
| Publication number | OT-2026-000100541 · never reused |
|---|---|
| Internal UUID | 01a0aea3-66f0-73eb-8036-3856d3df353c · 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-2026-000100541 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5e2b9677940eea873020f6a6b3ed7aa420a11bad53949b2fa966cb5beabf13f9 |
|---|---|
| Markdown | 75a26c453a23a3bbf552c4ac43a58970c3ebe26e455d64e7d2479cbda6aa7506 |
| Publication page | f19cfd6f968367eecf71a879ef12aeab827ee10cf71d9a320b91c736a64aedf0 |
| Manifest | cf01070cc4d33f164784867618d598872022b105073e3c01257013fdca5d7538 |
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 | 943YQ42b9RbRh0LF6jJyRIXBUmEsR1oMqy+fyTuoaJcGcMho3Ps13qD1H2dOt/mTuDAPRLx+47KKMjmV27c7Cg== |
| 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
| 2026-09-17T09:27:18.802182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100541observed f19cfd6f968367eecf71a879ef12aeab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:27:18.784408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100541/manifest.jsonobserved cf01070cc4d33f164784867618d59887...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:18.767011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100541/publication.mdobserved 75a26c453a23a3bbf552c4ac43a58970...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:18.749347Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100541/publication.txtobserved 5e2b9677940eea873020f6a6b3ed7aa4...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. |
|---|