OpenTechnical

OT-2026-000032796

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000032796) never changes.

Identity and time

Publication numberOT-2026-000032796 · never reused
Internal UUID01a0ae75-4841-74c5-baa4-9d419e3c933b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032796
StatusPUBLIC

Content hashes

Canonical textb2ed797c7d8e5de3e96a893a6ebe0e87d2dbcf9793a92afe3ce393d10002c013
Markdown5d290fff287da6d58b2d55fd27e9de59f46e86678d2039088a29d08d983aeff8
PDF
Publication page8e016100ac59686cdc69fb03df68f6aefe8dd23c3a74531a08dbe455d987c51b
Manifestcde68f24335930aa23647dc820a3c4bf48877c8a2722eb9b835e9bce61ca4975

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
SignatureGFl5zLDp+hNQHwJNyF74L3T55s7Uek1yhnQrd6RcJeT7h5L7hrQLKMBiuHVEQHOHs36XuMlKe3DlnExKIS/nAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:14.492092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032796
observed 8e016100ac59686cdc69fb03df68f6ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:14.475035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032796/manifest.json
observed cde68f24335930aa23647dc820a3c4bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:14.457384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032796/publication.md
observed 5d290fff287da6d58b2d55fd27e9de59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:14.439728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032796/publication.txt
observed b2ed797c7d8e5de3e96a893a6ebe0e87...
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.