OpenTechnical

OT-2026-000012862

Publication integrity record

Foam pad vacuum gripper, two stage ejector, 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-2026-000012862) never changes.

Identity and time

Publication numberOT-2026-000012862 · never reused
Internal UUID01a0ae6d-5563-7263-b9f2-316af24d79ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012862
StatusPUBLIC

Content hashes

Canonical text96b1615a6518341adc653a01dc53e6a053586ecdbf87136892f4c8d9a9269389
Markdownfda9fcffc2b07de33a871ac831aafcd81dc6f812127fde8177d8a615ecf5ab31
PDF
Publication page113a68435fd7775134854f80d352618016be3307379ed641c0f30be33156554d
Manifestbf91da254cbc3e9e2037895afd5bbbae36a220bedce09bb7d056492a1f8d2f93

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
Signature2/VD/RGIV/2rSn6wX4gYqikfCrx21d2knIs2PenCdVha6/VWUq46maIydNJxTRoDtGDSnuIffwkKBbDMsBVbDA==
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

2026-09-17T12:10:38.609822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012862
observed 113a68435fd7775134854f80d3526180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.592404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012862/manifest.json
observed bf91da254cbc3e9e2037895afd5bbbae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.572838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012862/publication.md
observed fda9fcffc2b07de33a871ac831aafcd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.552736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012862/publication.txt
observed 96b1615a6518341adc653a01dc53e6a0...
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.