OpenTechnical

OT-2026-000075346

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000075346) never changes.

Identity and time

Publication numberOT-2026-000075346 · never reused
Internal UUID01a0ae93-f201-7c5b-abb7-287cc1324e7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075346
StatusPUBLIC

Content hashes

Canonical textcfb7ea373fc78c3d02f064467f3670dcb0d758f27b51d6ba8be03f0be2b40c18
Markdown2482f5f813eb28da024da149046e3f46501e4d431831f0c233bc3c4183a488cc
PDF
Publication page4959cc6809b69f8e92ce024565ecab98b49787c29c6ddbbe38abab746ad76800
Manifestfd2ee5da061d37e57ffe6804c38d2877688e154dd9669d6aa3c35615a3a96599

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
Signature0CuZJSFahH6LOxJxRZNF8gXsJ6s1D4UcMdgYL0fRKiLYg3diBqTd2mnBHMpLQoE3h7Pmo7tFOQHN2B1Ns/qUBg==
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

2026-09-17T10:17:17.028473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075346
observed 4959cc6809b69f8e92ce024565ecab98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:17.008570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075346/manifest.json
observed fd2ee5da061d37e57ffe6804c38d2877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:16.988682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075346/publication.md
observed 2482f5f813eb28da024da149046e3f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:16.968779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075346/publication.txt
observed cfb7ea373fc78c3d02f064467f3670dc...
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.