OpenTechnical

OT-2026-000013187

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off before 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-2026-000013187) never changes.

Identity and time

Publication numberOT-2026-000013187 · never reused
Internal UUID01a0ae6d-6fc8-7550-8b8f-ebbaf46c7d04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013187
StatusPUBLIC

Content hashes

Canonical text072cec5882835c957baa15eb96616e117fe285cea5b34fcdb641dc4083a67df5
Markdown7f72b726592d05d57e0bd395b4a8b7c6d44e1e78ff414ab32a0f98cd9b202278
PDF
Publication page2f65c122e93bf479558248ecde1bae0c226789d016d00fcea696141605428b52
Manifest11cc25b2293cebf91070d9854aace7ea9013d21c1c5c6c40c7ddd19045e1fd5d

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
SignaturesId2cgXA+QjpePkuUlraCXTtUaMNnmeiYrgHlgmQCYsl3m3zrTrVM59OqQgTmtK5i8YITM1NmZBfYilEKebtCQ==
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

2026-09-17T12:09:34.052202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013187
observed 2f65c122e93bf479558248ecde1bae0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:34.035502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013187/manifest.json
observed 11cc25b2293cebf91070d9854aace7ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:34.015788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013187/publication.md
observed 7f72b726592d05d57e0bd395b4a8b7c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.997215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013187/publication.txt
observed 072cec5882835c957baa15eb96616e11...
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.