OpenTechnical

OT-2026-000069770

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000069770) never changes.

Identity and time

Publication numberOT-2026-000069770 · never reused
Internal UUID01a0ae91-185f-77ff-8300-5f86158299c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069770
StatusPUBLIC

Content hashes

Canonical text39e38aba4705b416fcb79ded447a0176948e48f18e25829cd897e708450dd5fe
Markdownba89a9a9e219c4c930bc1290fd65d3baf4ed68d349c4c14332ea3cb6969e305d
PDF
Publication page5a5a225272e121686be7e0bdc3b9694e556bcf4a3192fb791701a21ac1f4db43
Manifest0cdb7b1287c15945d47851d04cfb82d53a85b629c2e38c86da93c180ef0894ec

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
Signaturen2tboYhCrn7V7QrDEvdwYYxJb6hGe2Em9+ZoBKrbOsimQTT3SeciFeIYWavzk/RT9g1Ew1dOCtHZFGYZXujIBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:35.760982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069770
observed 5a5a225272e121686be7e0bdc3b9694e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:35.744800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069770/manifest.json
observed 0cdb7b1287c15945d47851d04cfb82d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:35.727417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069770/publication.md
observed ba89a9a9e219c4c930bc1290fd65d3ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:35.708584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069770/publication.txt
observed 39e38aba4705b416fcb79ded447a0176...
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.