OpenTechnical

OT-2026-000032451

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000032451) never changes.

Identity and time

Publication numberOT-2026-000032451 · never reused
Internal UUID01a0ae75-106e-7776-b1c8-98168bc09db5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032451
StatusPUBLIC

Content hashes

Canonical text97dc8a20c7a7a6fdf9349a8a6db43c2102128c9c91af21be6e4e2fe6eaf0d5b1
Markdowna428e2d7b636515a029ce9afe0efbd0e17ec9dd91e9778eef92c28108a792ae3
PDF
Publication pagee4ff739187a1799bcd317489a2fa5ad7bc0930439af416b9a3a4d8657ff6f494
Manifest3032af24d69801682451e2238248b7f2f2f1dcd26700d09e883fd692f320e174

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
SignatureQsCFeseXt9nbbrjXDpEXLtfMWpkbDutjrWMlexASu+1NktRSbqrMj30yNo7MfhpzwlGRM2IjE8CP9V7EWgEcAA==
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

2026-09-17T11:33:52.705114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032451
observed e4ff739187a1799bcd317489a2fa5ad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:52.687141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032451/manifest.json
observed 3032af24d69801682451e2238248b7f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:52.671961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032451/publication.md
observed a428e2d7b636515a029ce9afe0efbd0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:52.656082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032451/publication.txt
observed 97dc8a20c7a7a6fdf9349a8a6db43c21...
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.