OpenTechnical

OT-2026-000091726

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000091726) never changes.

Identity and time

Publication numberOT-2026-000091726 · never reused
Internal UUID01a0ae9d-43b9-778d-a029-124ce8082111 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091726
StatusPUBLIC

Content hashes

Canonical text0a9ec8619cae0910590a04b6d980cb1122f1fefef59aab5ce619ada1a270aabb
Markdown25a67ae642990139884cb3d0a3fef17450c528c5c1ca736f6316dbf429d0fae5
PDF
Publication page3dc758b820d1adcd64f7d6d15d37382a97619eb843457e8e563eb324e85541c4
Manifest9189583059fb248356c61075a7e0af09305a41dd8cc60be8f0fef68fd761d0e8

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
Signatured6knMBDnpzbMbzPl1/5ESaXQBW/2IZrowly+xCw89aZ7aTtToEXrYfmg5ke0H3KYGv9frcC0HJM6FNPTXeJkBw==
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

2026-09-17T09:42:07.091097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091726
observed 3dc758b820d1adcd64f7d6d15d37382a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:07.075172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091726/manifest.json
observed 9189583059fb248356c61075a7e0af09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:07.056780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091726/publication.md
observed 25a67ae642990139884cb3d0a3fef174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:07.038943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091726/publication.txt
observed 0a9ec8619cae0910590a04b6d980cb11...
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.