OT-2026-000100548
Publication integrity record
Four cup 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-2026-000100548) never changes.
Identity and time
| Publication number | OT-2026-000100548 · never reused |
|---|---|
| Internal UUID | 01a0aea3-66f1-79dd-9832-18726daeec3a · 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-2026-000100548 |
| Status | PUBLIC |
Content hashes
| Canonical text | b96aaf96836d763992ab61899d2c153709677e1a344112a0a7da13b8eed2a2a1 |
|---|---|
| Markdown | bd1cd2d70b598715ba307df644971f7b8019dfa5968e3806679a83fd1c6b2310 |
| Publication page | a1838942b46ebc489e1b689233353c37a08a4fad7d954ce0466d50450e409f19 |
| Manifest | a95b4e86798fa5244ffd1e8343443b13e420f87bd60801dbe2045299105ada44 |
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 | TD6FQduhWZ0Im7KfTexlhTETCfbUACTIMo2L7QSRdocwWv8qMHxjUymHh+D71ugwOOcbk10LosfTeaCUql0fAA== |
| 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
| 2026-09-17T09:27:19.244602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100548observed a1838942b46ebc489e1b689233353c37...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:27:19.228537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100548/manifest.jsonobserved a95b4e86798fa5244ffd1e8343443b13...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:19.210051Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100548/publication.mdobserved bd1cd2d70b598715ba307df644971f7b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:19.193018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100548/publication.txtobserved b96aaf96836d763992ab61899d2c1537...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. |
|---|