OpenTechnical

OT-2026-000100420

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained 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-2026-000100420) never changes.

Identity and time

Publication numberOT-2026-000100420 · never reused
Internal UUID01a0aea3-66ef-7dec-a824-315b5c9ba5bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100420
StatusPUBLIC

Content hashes

Canonical textf84d286e7844deb2747cb2414825ba4ba0b93a024c52519ed5b1f4da825af3ea
Markdownd3e1fd7d8e48008ce84cff3367e032a1770ffbdad8dfd6b994bfdd067c63b7bf
PDF
Publication pagea3c555b6b8b47b45a5c5d4491f91b941412c85667e5a04e7c159fb466c4cbfa6
Manifestb6a7594a18c310ad75a6ed8d8cae75ca8dce711f73b234881eb84b2af90470c9

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
Signature3+KiK2O2m8LPdcXtRPAFWc7znJR9HtIrtqhU9+y7+2eRu+4KSyUU8kmgBAh4XT2gxETYX6FFzCJV+aWAfCpoAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:09.737993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100420
observed a3c555b6b8b47b45a5c5d4491f91b941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.722845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100420/manifest.json
observed b6a7594a18c310ad75a6ed8d8cae75ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.705315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100420/publication.md
observed d3e1fd7d8e48008ce84cff3367e032a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.686265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100420/publication.txt
observed f84d286e7844deb2747cb2414825ba4b...
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.