OpenTechnical

OT-2026-000009187

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, vented after 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-2026-000009187) never changes.

Identity and time

Publication numberOT-2026-000009187 · never reused
Internal UUID01a0ae6b-31b9-730e-aa00-510a3572e9a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009187
StatusPUBLIC

Content hashes

Canonical textee396e0755a3e88e535c4109724c89677254ea97af37d3d9b4683e4bb876bee3
Markdownc7e90eadd6200a11ebc70051e56b6890119428aac67f15cb6afb543b46f3d4bb
PDF
Publication page02b8695f56660ee5f265652961358e395f147b36ac3f628b22e8f6978ee86a84
Manifestf791a76ed7170b53a1a7afacbd6ce8891f2313e3049e88912e1579b961b7f289

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
SignatureD/nd6shePV0FIaE0pb5I5DbpIK5wdkVV3gTkex+BldAMMmlrgA+A17rhvDeFvhaXUKcjsOjbPvh7zuvGTRw4CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:54.057144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009187
observed 02b8695f56660ee5f265652961358e39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:54.038115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009187/manifest.json
observed f791a76ed7170b53a1a7afacbd6ce889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:54.017545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009187/publication.md
observed c7e90eadd6200a11ebc70051e56b6890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:53.999109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009187/publication.txt
observed ee396e0755a3e88e535c4109724c8967...
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.