OpenTechnical

OT-2026-000045413

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000045413) never changes.

Identity and time

Publication numberOT-2026-000045413 · never reused
Internal UUID01a0ae7c-f76c-7dca-b767-06dd9dd6637e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045413
StatusPUBLIC

Content hashes

Canonical text2e78ba274cc57f2a8110e07542944d72c1db85dd01fbed84d7cbd1d0e543ca99
Markdown564eb512305c6dbefc44a7166d5750390b6c1611d7def27c3d28ded97cb978ce
PDF
Publication pagefa2671104683ed7cf19ea0609cdd6272cdb41fc36508cb830d89894ae2f76895
Manifest06fcd936a05610e90ea16fd1c638465676529d004b2364108ffaeefa9e233fdc

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
Signature8Fa0rphcQgfTw2ejociGhFGuq9g4Z/yNzYYSnDTDXuCzJWWeR0/6k85Kw5JL+j3Suc895Trr0eTbkkId1LuvCg==
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

2026-09-17T11:10:42.221721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045413
observed fa2671104683ed7cf19ea0609cdd6272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.202268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045413/manifest.json
observed 06fcd936a05610e90ea16fd1c6384656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.182839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045413/publication.md
observed 564eb512305c6dbefc44a7166d575039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.162730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045413/publication.txt
observed 2e78ba274cc57f2a8110e07542944d72...
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.