OpenTechnical

OT-2026-000046235

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000046235) never changes.

Identity and time

Publication numberOT-2026-000046235 · never reused
Internal UUID01a0ae7e-57ca-74f2-be5b-2b3d3dbe96c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046235
StatusPUBLIC

Content hashes

Canonical text2a344cfbfa69607d3ceb156b85b73b0407b5eec8139cc378b9cb815096f7fea5
Markdown4db6751942306834b44cd171231ea403b8c6ef384603ecd85d83d0da3b6afd8d
PDF
Publication page3dac38ba3ebe3e1c36b0c6ff6a4aba54125da17c21de47d3c94176dc73790bdf
Manifestbf4fa960c6de776d78dfcfdcbf1b5730b21f6b2463a179be805682ffe696ce04

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
SignatureB5FgILA/FWf2npzB73Dj1tTC9AT4W2tucYA0B+241SdtaX8ZUWTmdmKIrZDSohQHsYeIbUbwk33HsZ/ai+szAg==
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

2026-09-17T11:08:05.001154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046235
observed 3dac38ba3ebe3e1c36b0c6ff6a4aba54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:04.983376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046235/manifest.json
observed bf4fa960c6de776d78dfcfdcbf1b5730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:04.966228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046235/publication.md
observed 4db6751942306834b44cd171231ea403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:04.949452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046235/publication.txt
observed 2a344cfbfa69607d3ceb156b85b73b04...
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.