OpenTechnical

OT-2026-000095651

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump 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-2026-000095651) never changes.

Identity and time

Publication numberOT-2026-000095651 · never reused
Internal UUID01a0ae9f-fac4-7f65-9ca1-bfa055e5d867 · 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-2026-000095651
StatusPUBLIC

Content hashes

Canonical textc213a4ac7538ccbed9bf5113287a1b5187e377ecdc1179cf6e514544b1642100
Markdown156b66dc979901815bc10005727959535fe8f63bc4b1fcccf9cc2716aaf12066
PDF
Publication page92cc0005ba64ea1a2363adea48c1b0f28a0ec4dd041ff60fdd4f431aa87fd7eb
Manifest3686abdb850fd2dfeccbb9de0d1296c261bb2542abfa6ebf92a8bc0c6b7c4b33

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
SignatureMDyV5/clmZaq34lVs9M5zwDzQmHHAe3hQLPkyZE2dvaGFwk9RFQDYonBkic/Lly0ar9k47xYdl82WiB5vkccBA==
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

2026-09-17T09:35:07.081335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095651
observed 92cc0005ba64ea1a2363adea48c1b0f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:07.061189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095651/manifest.json
observed 3686abdb850fd2dfeccbb9de0d1296c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:07.041416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095651/publication.md
observed 156b66dc979901815bc1000572795953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:07.022337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095651/publication.txt
observed c213a4ac7538ccbed9bf5113287a1b51...
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.