OpenTechnical

OT-2026-000032142

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000032142) never changes.

Identity and time

Publication numberOT-2026-000032142 · never reused
Internal UUID01a0ae74-f7a5-7a5d-9ec5-40457686181f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032142
StatusPUBLIC

Content hashes

Canonical textd2589ca5e1b37436589a5df25c69be3824cb14fa54a75981c2ef777568cb7b26
Markdownc5f35abee302d7122c7b33775abb20968e90de1190bf6cd450f873d144339f99
PDF
Publication page9b7132fd895074c7e379e6c027eefd8d543e14bd0560933259250d09bbacd111
Manifest85db7554198b96b6aacf20f5de088c3100f07902ba8fbac1d3c6d8b12b1eae37

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
SignaturefQEMyv39RyV5tgLEK7xZj0A9loUT6+xmXcngvC3nkaLuvc25IF5rlvkHtqt28Jep8DvqHBZXJuEDYoLphJUbDA==
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

2026-09-17T11:34:27.783927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032142
observed 9b7132fd895074c7e379e6c027eefd8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:27.765264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032142/manifest.json
observed 85db7554198b96b6aacf20f5de088c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:27.748646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032142/publication.md
observed c5f35abee302d7122c7b33775abb2096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:27.731354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032142/publication.txt
observed d2589ca5e1b37436589a5df25c69be38...
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.