OpenTechnical

OT-2026-000031702

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after set-down

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-2026-000031702) never changes.

Identity and time

Publication numberOT-2026-000031702 · never reused
Internal UUID01a0ae74-bad0-70f6-ba79-bea8d2d8866f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031702
StatusPUBLIC

Content hashes

Canonical text782fa256b9233c5f4140078fbc77b268afc631318c7778d5d89599cacfd3ef4f
Markdownfe0361d385197088c77a86976e574a754110b189ade64ec92055c9119bc17f87
PDF
Publication page42aa2f12a11aba18095c60ee9349da92c4e3ad0e9dc78bd1d99cbf22dbf4bcdd
Manifestd08a0ee766cd943d1aae30cc6b7fd6271470b14c5192959e069940af58570ce9

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
SignatureJyUBu+FWBRnJ3rS4NO3TkQ0jbtwDreeiuYarS4EyBicEijbKsKCD6BpQyOFRaf/Fxe6MlynOQAUIFs9X891RDg==
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

2026-09-17T11:34:48.567537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031702
observed 42aa2f12a11aba18095c60ee9349da92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.551418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031702/manifest.json
observed d08a0ee766cd943d1aae30cc6b7fd627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.532453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031702/publication.md
observed fe0361d385197088c77a86976e574a75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.515187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031702/publication.txt
observed 782fa256b9233c5f4140078fbc77b268...
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.