OpenTechnical

OT-2026-000051091

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000051091) never changes.

Identity and time

Publication numberOT-2026-000051091 · never reused
Internal UUID01a0ae82-c7b5-7fee-bacd-f7d46a7545d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051091
StatusPUBLIC

Content hashes

Canonical text1141974750037d4a2cc5980bf7446b9a3a924bf2c618557c7fbbd39eb7ad699a
Markdownd35fe07b28166b21505f93f07b0053c1787db66951f3858918190d6f43d24f65
PDF
Publication page434ab78f20b34fc9caef0b025c7806b136bdae0c31967d8f13b4fa3f2fec60d5
Manifestc29057e55de1b411f418e1c57a6a41986233b14887e7746eab5b91b3bc5ced37

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
SignaturerfnX2Pf+df2EJpeFaMAHTcHwDiRqknx+KafAqOA0cJiIECFhbtJALhgSgtXsxljqqb+03ADt6PSwtC2kJHtbCA==
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

2026-09-17T11:01:01.825891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051091
observed 434ab78f20b34fc9caef0b025c7806b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:01.804759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051091/manifest.json
observed c29057e55de1b411f418e1c57a6a4198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:01.785093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051091/publication.md
observed d35fe07b28166b21505f93f07b0053c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:01.765023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051091/publication.txt
observed 1141974750037d4a2cc5980bf7446b9a...
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.