OpenTechnical

OT-2026-000020118

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000020118) never changes.

Identity and time

Publication numberOT-2026-000020118 · never reused
Internal UUID01a0ae6f-4378-79bb-95c5-74023bab867b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020118
StatusPUBLIC

Content hashes

Canonical textd667b178789f9a40067088bc4a1f7f5abbd3b7cae4256c116df9deac242a653c
Markdown6ab14703cf9db13c53e314d2d8b0068080c652db86eb8e9ab33cd51f4c15ea64
PDF
Publication page759c9055c0dc41d182aa5dc9072277dd9c21292729eced0f0088bf10077e6dcd
Manifestca04bd473af3f73f49404a491dd57efe115b98e895aea12b5ebb0a8871f5bcb5

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
Signaturezq2blD2rCG+73tWHnpuko9gOuAqqpEA5SaoP+Dh0jKZ5KZ/O+tXUw1a/BRYIrmKRvacNjMqc3cYY6ZyvU2ORBA==
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

2026-09-17T11:56:25.290033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020118
observed 759c9055c0dc41d182aa5dc9072277dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.273819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020118/manifest.json
observed ca04bd473af3f73f49404a491dd57efe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.256779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020118/publication.md
observed 6ab14703cf9db13c53e314d2d8b00680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.238728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020118/publication.txt
observed d667b178789f9a40067088bc4a1f7f5a...
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.