OpenTechnical

OT-2026-000019913

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000019913) never changes.

Identity and time

Publication numberOT-2026-000019913 · never reused
Internal UUID01a0ae6f-1fb6-737b-b643-22e587e8c4bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019913
StatusPUBLIC

Content hashes

Canonical textbc871f34d387dad3293475493399c421c456b84b2e83da7f0c5d5c6ff43bebb4
Markdowna9a0dc1dbb43bfeb9ffb21048a03f741845ccf3482756f356700d9d79db1a285
PDF
Publication page740fafe36a551275c320919e5643e18feedbc8ca54cb655ddace3217186ba216
Manifesta2b83987f96d7585246ea53853298fa65742b66ae8b103833c899e709ab3674d

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturewTBYkfuGw9DSf9lUQ/M3GAq9hr4pLAt4KiNDmzjN0dhS45/XleA1jpdD86Kclc25my8s36V+lwluE7IbjUqLCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:58:07.704173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019913
observed 740fafe36a551275c320919e5643e18f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:07.681957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019913/manifest.json
observed a2b83987f96d7585246ea53853298fa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:07.663284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019913/publication.md
observed a9a0dc1dbb43bfeb9ffb21048a03f741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:07.645561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019913/publication.txt
observed bc871f34d387dad3293475493399c421...
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 archivePending 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 packagePending Custody packages are produced weekly.