OpenTechnical

OT-2026-000017795

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed blow-off before 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-2026-000017795) never changes.

Identity and time

Publication numberOT-2026-000017795 · never reused
Internal UUID01a0ae6e-96fb-7b6d-a748-02e76b886674 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017795
StatusPUBLIC

Content hashes

Canonical text495c5b2fc5233d43e069856f95b43b0b6dd5e3963e6fa81e03538544c42026ac
Markdowned1106cd63bfab2474e4be3b3b0167981f1dcdacf510e109bbe280a48f8b4ec1
PDF
Publication page34e1f22f4508d364f07f1cf04c9b97351b5ce113c41c7a4f066a293a4c07c373
Manifesteb09e383719c4f30567998670a34d9157d4a96b3b3077929828f1dbfcb62b47e

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
Signaturek6QDUQA8S9BvUSFNQCgv2IjxzcjlaNgL7T3LfcL3beEz8IxGysQUAKxA2VJagsCmmoSD0V1FV35PRnfswt/zBg==
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

2026-09-17T12:01:45.671958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017795
observed 34e1f22f4508d364f07f1cf04c9b9735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:45.654224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017795/manifest.json
observed eb09e383719c4f30567998670a34d915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:45.637810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017795/publication.md
observed ed1106cd63bfab2474e4be3b3b016798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:45.621008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017795/publication.txt
observed 495c5b2fc5233d43e069856f95b43b0b...
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.