OpenTechnical

OT-2026-000078151

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000078151) never changes.

Identity and time

Publication numberOT-2026-000078151 · never reused
Internal UUID01a0ae95-6e8c-71ec-979b-cdfa720bbdfa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078151
StatusPUBLIC

Content hashes

Canonical text9112ed28f0ceda462639a3e5b6ffe842717a469eec742f6f5c86d3843c200773
Markdowne3308b740bb4420cc59c127547b336031b60b91fa731b77fd62657fc6cb3b2b6
PDF
Publication pageb3d7c22b5877dac02260ff2caa4abdb91980cd5650167b8ae8ec5951eceaa027
Manifestbed8c0e1ca3802cb4f2041fba5fdf3cef07581f42b31e567720c73e91289f320

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
SignatureXHGyUHSym7lHuYzyl5hyC+Mj4iOvg/BCfpDSzyZlHV3lOeHJSjIjQiInWaqsG5ehuyUhSWn4IoqHkvd3wmSYCg==
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

2026-09-17T10:06:51.941949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078151
observed b3d7c22b5877dac02260ff2caa4abdb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.923119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078151/manifest.json
observed bed8c0e1ca3802cb4f2041fba5fdf3ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.905333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078151/publication.md
observed e3308b740bb4420cc59c127547b33603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.885713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078151/publication.txt
observed 9112ed28f0ceda462639a3e5b6ffe842...
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.