OpenTechnical

OT-2026-000056834

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000056834) never changes.

Identity and time

Publication numberOT-2026-000056834 · never reused
Internal UUID01a0ae87-7af8-7ecf-8794-d9376ab05971 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056834
StatusPUBLIC

Content hashes

Canonical text0a9fc69cb547cb5a48f3fb0431cea419d62610e08c3e65e9fcfaffaf0be31cfa
Markdown2366f0bbd786a00dbaf949aa2ebfad3149251525cc45f1ecaefce0e5a0bb04a2
PDF
Publication page74ac9c8bb7250ac1c1b64c1fc35693190e39eca9929df08f430d6e59bdb63fd9
Manifest52b8e9f8caadf1d01f3bc139778c84bba140793738d148462470f36d49f97e01

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
SignaturejSie7qiO5P0JdIPoU5P9ItsZEnLX5lwi5NzVnpkSPVmutt2ZI3YZsaS7JRNhBB1K/fn7CwkNK0TqL88/cSW6BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:19.734719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056834
observed 74ac9c8bb7250ac1c1b64c1fc3569319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.712208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056834/manifest.json
observed 52b8e9f8caadf1d01f3bc139778c84bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.695414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056834/publication.md
observed 2366f0bbd786a00dbaf949aa2ebfad31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.676006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056834/publication.txt
observed 0a9fc69cb547cb5a48f3fb0431cea419...
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.