OpenTechnical

OT-2026-000071023

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-2026-000071023) never changes.

Identity and time

Publication numberOT-2026-000071023 · never reused
Internal UUID01a0ae91-8c2e-7293-8bd9-003415029226 · 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-2026-000071023
StatusPUBLIC

Content hashes

Canonical textef67be50256d51fc2bc2324a3b96a73c1ea63a08d5da1d909e1874ce11b7db08
Markdownb3009fd4b5da58fdbe108a20da7fae860e36f7e5c481416f844f9f3bb49cc819
PDF
Publication page00fc2c7a51089f9439607c65879a43b598d8b3edd7a0f83013a8953bf2046f70
Manifestfcb063ba2d1916f6f10b3722381db68d69fc968384f8421071344eddd39cf87a

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
SignatureQlaWSrHjEfn3nNL44iYZSLgtkWYviiWx463T22p17dUk7xOlUFjxqe6tfI2DCTeeHj3DIJl+7luyuSwb57h+DQ==
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

2026-09-17T10:25:52.669848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071023
observed 00fc2c7a51089f9439607c65879a43b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:52.646886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071023/manifest.json
observed fcb063ba2d1916f6f10b3722381db68d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:52.629855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071023/publication.md
observed b3009fd4b5da58fdbe108a20da7fae86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:52.612816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071023/publication.txt
observed ef67be50256d51fc2bc2324a3b96a73c...
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.