OpenTechnical

OT-2026-000095781

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000095781) never changes.

Identity and time

Publication numberOT-2026-000095781 · never reused
Internal UUID01a0ae9f-fac6-7960-8cba-860962d97910 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095781
StatusPUBLIC

Content hashes

Canonical text360e17c4acb9f68796e34b7a6b9063d04ef65ad4b6b72f3650d241f848732987
Markdownc3dbafdafc8c2be5efbc90ff6aae457fed76ce6839921f3a93b7fdf07061becf
PDF
Publication page8d04ce8066af923f80641767eb0abb6d77cacbe6734112a8c6c65b3197d9ff9c
Manifest578321cd64aeb30dbb713fa98828fc38b50ca5c34a1cdfe88bff696c633f6c2a

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
Signature6hHKC5W8M4hGvLhEIgsEAIDfRhPykYas2FwtqqfA4DGuXtHJt82N9TA9tdVJ6/QAwrn7DMjy8NWS5ZIz05pOBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:51.090950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095781
observed 8d04ce8066af923f80641767eb0abb6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:51.073571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095781/manifest.json
observed 578321cd64aeb30dbb713fa98828fc38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:51.030820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095781/publication.md
observed c3dbafdafc8c2be5efbc90ff6aae457f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:50.959415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095781/publication.txt
observed 360e17c4acb9f68796e34b7a6b9063d0...
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.