OpenTechnical

OT-2026-000040242

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000040242) never changes.

Identity and time

Publication numberOT-2026-000040242 · never reused
Internal UUID01a0ae79-26ff-71f1-9002-e059481e1438 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040242
StatusPUBLIC

Content hashes

Canonical text7dc5efe366383cd064241db2071ae18eabdd7d2ddde23a7a6579504c3ff3d274
Markdown633f17a27ebde4c8b5ebe0d47b5f9058438fe5e19ba24740550f5339acfe42c5
PDF
Publication page3c0244f3dda87ed0eabbe17fe5369baa0e5b5a4f3627469a8d08a1655647ceb4
Manifestfb290f29e8ec751e45a3940a94d572c0a6760c63e9854f3c6d032da01566c28e

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
SignaturetjJTFCVnap7xCbQSiTv5GQlOfN5LliVsuZJiwivO/WeO/ksekKi8ooEhME6QsVOcibKg2Qmj9H1bGJN9WeRtBw==
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

2026-09-17T11:19:08.132924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040242
observed 3c0244f3dda87ed0eabbe17fe5369baa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:08.114843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040242/manifest.json
observed fb290f29e8ec751e45a3940a94d572c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:08.099328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040242/publication.md
observed 633f17a27ebde4c8b5ebe0d47b5f9058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:08.084377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040242/publication.txt
observed 7dc5efe366383cd064241db2071ae18e...
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.