OpenTechnical

OT-2026-000038663

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000038663) never changes.

Identity and time

Publication numberOT-2026-000038663 · never reused
Internal UUID01a0ae78-2d55-7bcd-92b6-f07848a3fb32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038663
StatusPUBLIC

Content hashes

Canonical texte83f720019b3359e043fc743ff574be9e65f68673865350a3f6d0db6b79dc475
Markdownec9fc24c8a623b3dfe3d1f3764e0e919d73d77d199c1c55d2f63dc7a175ae01a
PDF
Publication page186d80d6249478d7c5d771cd0c9e9752448f5137ae94322290b52470d8345ae9
Manifestdba02eda928ff6362dffdac683bc496ee1976b3e1a4ac1acb3352f19986aa3cb

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
Signature3Z/Ez27vNVP3MeTrXJLng9GvSw9Ox2VcTXb/XBszwP/oXMu7Ef2DUo0evGut6b92TRnhZDMRs+47/JCGoxutBQ==
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

2026-09-17T11:22:57.831526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038663
observed 186d80d6249478d7c5d771cd0c9e9752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:57.807000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038663/manifest.json
observed dba02eda928ff6362dffdac683bc496e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:57.785162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038663/publication.md
observed ec9fc24c8a623b3dfe3d1f3764e0e919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:57.766966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038663/publication.txt
observed e83f720019b3359e043fc743ff574be9...
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.