OpenTechnical

OT-2026-000071019

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000071019) never changes.

Identity and time

Publication numberOT-2026-000071019 · never reused
Internal UUID01a0ae91-8c2e-7d8f-8e54-790cbaebc3ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071019
StatusPUBLIC

Content hashes

Canonical textb8508319ae8b3b2d13bfbf76511d74ebe469c21abd53cae732fdf8ad0640df86
Markdownb50f074a354a7c3c2748e508b2a5702f0511b5b380e2f5e2734d22fdd6de827c
PDF
Publication page44abb36881662b0ed3e4d446a14f801fb7138d287596f203c81eb2eece89ca9c
Manifest2dcef43c3306255c4bda44011ec01c697faca635293463cec06d846eafe0c886

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
Signature/KBuWo529sJjS8rGgGXWT/h4yBGCXYcCtzj7Dj64uT3sGJ15nAXOyzqmSI0D21bjpGlnms/4UPeTT1wazFoxDQ==
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

2026-09-17T10:25:52.443963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071019
observed 44abb36881662b0ed3e4d446a14f801f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:52.425780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071019/manifest.json
observed 2dcef43c3306255c4bda44011ec01c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:52.407647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071019/publication.md
observed b50f074a354a7c3c2748e508b2a5702f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:52.389363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071019/publication.txt
observed b8508319ae8b3b2d13bfbf76511d74eb...
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.