OpenTechnical

OT-2026-000032123

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, pulsed blow-off before set-down

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-2026-000032123) never changes.

Identity and time

Publication numberOT-2026-000032123 · never reused
Internal UUID01a0ae74-f7a5-75ba-82c1-48f90f0de409 · 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-2026-000032123
StatusPUBLIC

Content hashes

Canonical text74565a4c15ca9962a1d15437fffccaf1b07d1fe9a9d86f75a0ae596573eefaa5
Markdown39e80fb44fbf123377219f29949f8abba85d089d2325b20c1993fc0b27f4e120
PDF
Publication pagedd802b00b04a87ed67f853225f3a0792b8476167649e512fcf0d0b886786f498
Manifest61541924fe5377425895cd897e00c7e7ef6f474884967c3b7781e9b211c45eb9

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
SignatureaPgHvOJ+GUheEm0Qa17LUedMCe2YEqXlyuFZqL3TGhdvmUcVK5yrF/FBwGXUeubypW8rVuezSG9ZSJ0WEfArBg==
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

2026-09-17T11:34:26.392385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032123
observed dd802b00b04a87ed67f853225f3a0792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:26.377168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032123/manifest.json
observed 61541924fe5377425895cd897e00c7e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:26.361049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032123/publication.md
observed 39e80fb44fbf123377219f29949f8abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:26.343734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032123/publication.txt
observed 74565a4c15ca9962a1d15437fffccaf1...
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.