OpenTechnical

OT-2026-000032025

Publication integrity record

Single cup vacuum gripper, 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-2026-000032025) never changes.

Identity and time

Publication numberOT-2026-000032025 · never reused
Internal UUID01a0ae74-bad3-79e6-87d2-9977b0e3588d · 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-2026-000032025
StatusPUBLIC

Content hashes

Canonical text39c16afab9974289da581cac633f6a9986b39d6ac94fa7418f6c88d05b4a3665
Markdown4de8997311397149d98dad85ece7d6cf42b7d94aafb83b082bbe32ba4ce8be95
PDF
Publication pageca50285586851c6e85cf89712b5e732385ae426f86afd395adea916c1e7c260a
Manifest2558dcffb80717f6d4c1cd77c0843dbaa52185075f67511b1082f0372f2b5a68

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
SignatureDrmeoxgq8ZTfQ7VYUElUceqttph3FxK5YLBM7uEASAVvjgo+oosJ2mLv1ps7i2A5lJqde2+S9W9add0iiQ3HCg==
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

2026-09-17T11:35:26.013521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032025
observed ca50285586851c6e85cf89712b5e7323...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.994534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032025/manifest.json
observed 2558dcffb80717f6d4c1cd77c0843dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.975932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032025/publication.md
observed 4de8997311397149d98dad85ece7d6cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.957651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032025/publication.txt
observed 39c16afab9974289da581cac633f6a99...
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.