OpenTechnical

OT-2026-000043929

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, 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-2026-000043929) never changes.

Identity and time

Publication numberOT-2026-000043929 · never reused
Internal UUID01a0ae7b-d678-7644-9ce6-c68242bf8848 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043929
StatusPUBLIC

Content hashes

Canonical text19d3e565d0933e8e63328696785e097f7acdb9ceebfc79117549d3bb501119ea
Markdownc844d57547239d3a64c6302da5d7a79ac38976d928f796fe9dd5c2ee0d76cdbf
PDF
Publication page4a1a584346e60618f56343be761721b5e5ca5d0c8b0dc2aec55ba6c594153ebf
Manifestfa343bb2d5c266cc574368c06232a6b6ee3ed5a7d072972444ddf92d28bf217b

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
SignatureeCgsqSLaTCwp4fPKDzpECNQ58iydl7ao6L+Ee+1HIGBZeViLrVKk9qAeyAeBnENDlFpYI5RrSVd7gzg12+ZrCA==
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

2026-09-17T11:12:16.606194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043929
observed 4a1a584346e60618f56343be761721b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.588917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043929/manifest.json
observed fa343bb2d5c266cc574368c06232a6b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.572054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043929/publication.md
observed c844d57547239d3a64c6302da5d7a79a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.552819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043929/publication.txt
observed 19d3e565d0933e8e63328696785e097f...
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.