OpenTechnical

OT-2026-000033815

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, pulsed 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-2026-000033815) never changes.

Identity and time

Publication numberOT-2026-000033815 · never reused
Internal UUID01a0ae75-a391-74f3-95ae-3fe00b0ca143 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033815
StatusPUBLIC

Content hashes

Canonical texta8679575e6488efd0239db03cca79d99243c1d2630ae26c700d730d61a8dc694
Markdownffe625aa3214a2572eb0c86872513f3232dc6cfb28e90c16a480dd8f4f601711
PDF
Publication page37093bf9630d05614519ee62fffc25ab0404a15ead805a8c377e3dc2c2a07e3d
Manifestcf1b8c62cd00a4051067418dfee2bd8ef067f71bcb1f4a5873ea108c47fab8b8

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
Signature+y4XQL7b9QkAva39ZlU6dPz9r3BAQiNKjxmvQsXfZsatxfRhCnnoDK2yIbVt+Sk/XDNva+V4E9Zmck9EG5lJBg==
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

2026-09-17T11:31:51.731814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033815
observed 37093bf9630d05614519ee62fffc25ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.715822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033815/manifest.json
observed cf1b8c62cd00a4051067418dfee2bd8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.698517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033815/publication.md
observed ffe625aa3214a2572eb0c86872513f32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.680113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033815/publication.txt
observed a8679575e6488efd0239db03cca79d99...
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.