OpenTechnical

OT-2026-000083404

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000083404) never changes.

Identity and time

Publication numberOT-2026-000083404 · never reused
Internal UUID01a0ae97-c964-7c4e-968f-1846310327ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083404
StatusPUBLIC

Content hashes

Canonical text60778585ecc97811f2cb96708a924f57d5978d40d616bfab53dd5361d58ea8ac
Markdown24d1e56f6aeefe40353242a1c2b9ddae80429dc28db8ec51dbf64e65a08a8920
PDF
Publication page881ddf212f739bb4a647bd2b3936675c7e12661adb98af8c24eed58aa44d745b
Manifest9081c78c864fe8d9d698c2502325ec81445c583ab50cc4a1d2de02a740e96498

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
SignaturexSfw3KgBMmlLt9qCgdca/4OEM09Ey9yW/X8Vx/0hUGvXo9pEnVYQkuiOa5SltP84DuxKV/BrVoGjlbHywoKWDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:00:52.380115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083404
observed 881ddf212f739bb4a647bd2b3936675c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:52.362868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083404/manifest.json
observed 9081c78c864fe8d9d698c2502325ec81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:52.346422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083404/publication.md
observed 24d1e56f6aeefe40353242a1c2b9ddae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:52.328938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083404/publication.txt
observed 60778585ecc97811f2cb96708a924f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.934087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083404
observed 881ddf212f739bb4a647bd2b3936675c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.916442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083404/manifest.json
observed 9081c78c864fe8d9d698c2502325ec81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.901491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083404/publication.md
observed 24d1e56f6aeefe40353242a1c2b9ddae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.886330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083404/publication.txt
observed 60778585ecc97811f2cb96708a924f57...
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.