OpenTechnical

OT-2026-000043014

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained 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-2026-000043014) never changes.

Identity and time

Publication numberOT-2026-000043014 · never reused
Internal UUID01a0ae7b-3278-7652-b16b-099c75f1b63c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043014
StatusPUBLIC

Content hashes

Canonical text9c955b9325ccfffce20fff6e50bb2dd7481c4565ec7f3ecb700adb119d690fd6
Markdownf2805285c96fb7f56fe9e49ae73c3738061288952bc9557132e55c28ce14e1ac
PDF
Publication page7f5088eaaf87b6607c7889551b2629b0b6adb2190be721ecdc90f2d78b2e1d22
Manifest5de1dfedaa22eb03a703646d75603f6f4e80211d0c23876433ff8384f2a89895

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
SignaturePo0fvLI64Zwduj/CFCIxyjwQHK3zdaX5TdSR37Vh8RXYfU13JGXvJfi2Xp61w2JENQ7mfm+4w2yHInzlJtZJBA==
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

2026-09-17T11:13:19.646554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043014
observed 7f5088eaaf87b6607c7889551b2629b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.626586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043014/manifest.json
observed 5de1dfedaa22eb03a703646d75603f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.608868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043014/publication.md
observed f2805285c96fb7f56fe9e49ae73c3738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.591279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043014/publication.txt
observed 9c955b9325ccfffce20fff6e50bb2dd7...
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.