OpenTechnical

OT-2026-000070181

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, 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-2026-000070181) never changes.

Identity and time

Publication numberOT-2026-000070181 · never reused
Internal UUID01a0ae91-1862-7fa4-ae4b-0d9c5701379b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070181
StatusPUBLIC

Content hashes

Canonical text914b5e87541c76df50261dc9f0e50bad78254cc59ff243049495a68a69389613
Markdowne898417bc8bfabb72c2acedd119dac061fb7dcd1f9f7a5062bb72ad2bc122b52
PDF
Publication page0e8c9c9a9b2584933ba5addf52696c2b7eb885e804e5cf01d8b172d718bb4cb7
Manifest15a53f32bc1bd4ee53ede0bbfd7742760a86eb59b246fd93752ca50120148baa

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
SignatureRg5Wk/jl+8PrwqpjQduiSTbm4WueUUm1KoBvMUmyvKRMJAdJsa5egcnCaScRAjc/jzXQRbnicfp6md69Yc5bBg==
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

2026-09-17T10:27:13.991225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070181
observed 0e8c9c9a9b2584933ba5addf52696c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.974115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070181/manifest.json
observed 15a53f32bc1bd4ee53ede0bbfd774276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.951869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070181/publication.md
observed e898417bc8bfabb72c2acedd119dac06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.931422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070181/publication.txt
observed 914b5e87541c76df50261dc9f0e50bad...
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.