OpenTechnical

OT-2026-000031755

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three 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-2026-000031755) never changes.

Identity and time

Publication numberOT-2026-000031755 · never reused
Internal UUID01a0ae74-bad0-7047-b29c-6884f10a026c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031755
StatusPUBLIC

Content hashes

Canonical text64fc967c0dca5fee92b45217616ea019787b7cf1ec029235b5aa01841dbfe5fd
Markdown65b405f58390003e68936a1e8debfd807040283f1809e3be8bb49f4f1911bb9a
PDF
Publication pageb090b303aa03579e0d15d992114fb6b15a96abd471aa6a3c414ebde8f93e18cc
Manifest0b6c4b0f2a3aa941438a0c368f29b577f567312cf48dd3cc690c1472bc0215a9

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
Signature+I/0GoMXpcOA+F65yF29ayQuxWnUpz9X7RSb9AR1E59ZFWcTvBULeqPE4KRTq4gdUyKdi1/Ou69OeAs50UWnAQ==
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

2026-09-17T11:34:52.527985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031755
observed b090b303aa03579e0d15d992114fb6b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:52.509192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031755/manifest.json
observed 0b6c4b0f2a3aa941438a0c368f29b577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:52.491959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031755/publication.md
observed 65b405f58390003e68936a1e8debfd80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:52.473900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031755/publication.txt
observed 64fc967c0dca5fee92b45217616ea019...
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.