OpenTechnical

OT-2026-000043458

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000043458) never changes.

Identity and time

Publication numberOT-2026-000043458 · never reused
Internal UUID01a0ae7b-92ce-7c63-b730-fce12c6b1dd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043458
StatusPUBLIC

Content hashes

Canonical texta2bf8b306e3e4dc157eff802b8f99baaaea2fc792f2641535510ef95ffb702ff
Markdownb790043eaece0ec866c4c53084de9c36504b0e66aa36892747fe58846f65c01d
PDF
Publication page3caeddf4bb51fe0ea6a8798b556457da15d28fa59efa287e9215602997b613a0
Manifestcca6d7d5de827b13fadc561cd0965359755ea04a2eaafcb2460266d0d417ce9f

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
SignatureA6mHQfFqrJrHYH7tagjc72nNUcFQcyqIeELkXZiIIY1D+RmI4bOechdzN7tFjHSc3c6IL3UMIyt5gJhmS7vyCQ==
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

2026-09-17T11:12:48.553766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043458
observed 3caeddf4bb51fe0ea6a8798b556457da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:48.533263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043458/manifest.json
observed cca6d7d5de827b13fadc561cd0965359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:48.514249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043458/publication.md
observed b790043eaece0ec866c4c53084de9c36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:48.494452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043458/publication.txt
observed a2bf8b306e3e4dc157eff802b8f99baa...
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.