OpenTechnical

OT-2026-000038906

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000038906) never changes.

Identity and time

Publication numberOT-2026-000038906 · never reused
Internal UUID01a0ae78-769f-748f-9257-0569f0eb57cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038906
StatusPUBLIC

Content hashes

Canonical textd3bd99be210cb34d61f196cce02fd7162863fac38619382b39f16b979140fdfa
Markdowna3a5ffd12c6ce0446a51b68185d586b1935945c702b1903e1ce7830dbb2b210b
PDF
Publication page3c58575f30c0f6af637b498b355b70033028e01e4be684cc101cd990791d219f
Manifestdce1e07c5453aa709c2f41bdb97901dc86fd7aad0bac7bdaafb14a1736379879

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
SignatureUsmN/FRTrrXdn+B+YKc6nZS+t/mOuDaSly0GEIFfBb0n1fuN0/AiRD4w9aMgiwZ4pfxRGQ4c1hB6rpBTnkqPDw==
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

2026-09-17T11:21:34.638009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038906
observed 3c58575f30c0f6af637b498b355b7003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.621538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038906/manifest.json
observed dce1e07c5453aa709c2f41bdb97901dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.603107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038906/publication.md
observed a3a5ffd12c6ce0446a51b68185d586b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.583803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038906/publication.txt
observed d3bd99be210cb34d61f196cce02fd716...
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.