OpenTechnical

OT-2026-000018135

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000018135) never changes.

Identity and time

Publication numberOT-2026-000018135 · never reused
Internal UUID01a0ae6e-b488-7ed1-a86c-41476f296735 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018135
StatusPUBLIC

Content hashes

Canonical text4fd2da9c5b3882f42736bbad5902d62bd27747bb2bfd652ad7c42b2ffcd66379
Markdown184c23b9d7153a4b5df35e39419e038784ddeeb1298ab7660206c3c576a837a6
PDF
Publication pagead90dd2e97f279086bbec8dd0685be7cebd1cbead0723dd86fb1008cb371e98e
Manifest40903c588aa9191419b1192ec4b2b5e4ea470ed1cdeeb9ab05c1e0c24cce53a9

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
SignatureHlszI/50ZXJMm3mXwB0yiLd2ByuXf8mry42crrlmRoU0s48BrMVUumQEVamOvKMdMeWrM/LgmFMZ5HAz0qBuBw==
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

2026-09-17T11:59:49.242400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018135
observed ad90dd2e97f279086bbec8dd0685be7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:49.224021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018135/manifest.json
observed 40903c588aa9191419b1192ec4b2b5e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:49.173647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018135/publication.md
observed 184c23b9d7153a4b5df35e39419e0387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:49.125691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018135/publication.txt
observed 4fd2da9c5b3882f42736bbad5902d62b...
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.