OpenTechnical

OT-2026-000029391

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000029391) never changes.

Identity and time

Publication numberOT-2026-000029391 · never reused
Internal UUID01a0ae73-5e20-7105-8542-33cdd2b4fbb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029391
StatusPUBLIC

Content hashes

Canonical textbdd048ccddd28160734eb817be587bfc2383607d94ce8d43d50673d5f48da23a
Markdowne80ebeaf7f82d3d9796844bdeb9b40a9d0eb1def6680d01d8b679f140b5f3f66
PDF
Publication page001b0ac0ec794828fea715286512c3357f88f90b881b99d623a867751fa60390
Manifesta563fcb5e6a1daa505d88ea6bae7b727670e0000753ab1fba1817ff8564db2ae

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
Signatureet12dQIMb/aixnFYe9Yd4l9tEg4qWSwLvblr9u3tLWxlA9fhHCTSXdyCwxvvAcFFnYPMDKi9FxklDTzpv40uDg==
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

2026-09-17T11:38:57.549720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029391
observed 001b0ac0ec794828fea715286512c335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.531238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029391/manifest.json
observed a563fcb5e6a1daa505d88ea6bae7b727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.513999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029391/publication.md
observed e80ebeaf7f82d3d9796844bdeb9b40a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.496899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029391/publication.txt
observed bdd048ccddd28160734eb817be587bfc...
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.