OpenTechnical

OT-2026-000032850

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, pulsed 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-2026-000032850) never changes.

Identity and time

Publication numberOT-2026-000032850 · never reused
Internal UUID01a0ae75-4842-72a4-a3f0-31a5ff0ea6b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032850
StatusPUBLIC

Content hashes

Canonical textae1457835cc9811d613332dda21477c69fd37271f91834f6629354a22ab7afaa
Markdown131bb4bc4bc08cdd08139e1c8c3ec091aa50cb0771a30569d134af57b62a6f22
PDF
Publication page2b6ce3d65db76112a80ec123de2616e6221a269c90afb21874e8dc15b528b6f5
Manifest5c22d185159759c0d2458a93d023901cc6d7cd93a0b35416ffbed0956fd8fa3c

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
SignatureqkPruAYAj5ZhuCNbqRiJTblHEE+vkx58rP7ujF2B3VzioiZM3JIyRswjQ//vO1C0mvBxmDvLvVB/hxDl9R8jAQ==
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

2026-09-17T11:32:18.779724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032850
observed 2b6ce3d65db76112a80ec123de2616e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.761075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032850/manifest.json
observed 5c22d185159759c0d2458a93d023901c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.742715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032850/publication.md
observed 131bb4bc4bc08cdd08139e1c8c3ec091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.725595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032850/publication.txt
observed ae1457835cc9811d613332dda21477c6...
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.