OpenTechnical

OT-2026-000032218

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000032218) never changes.

Identity and time

Publication numberOT-2026-000032218 · never reused
Internal UUID01a0ae74-f7a7-7d48-8976-94d20bd3d814 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032218
StatusPUBLIC

Content hashes

Canonical textb150a924b9deba46184109e6c78b2abca7b381e9b94aafa20b6425bed1e6d384
Markdownc09bd55b5f8d5ecde0012962b8a5ab1099a430ab342af448c75579954ebed0c9
PDF
Publication paged3036d66cffc6899e403371194e48e4d3202a6aa4ce4be65d7a32b8388a858de
Manifest45413d8b49331471bfb33ae7131c60937c2f29b73dc8a4d81e91f0f1b2ea0bce

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
SignatureNmpnaWBY1BYj5CGGB4KEnlD5/Zx4NlF+CCAYAjbrCBv91SFtvGwCYtLbyLm0wxf+VwcXivsLY1oDx5vdmDCoCg==
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

2026-09-17T11:34:34.061229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032218
observed d3036d66cffc6899e403371194e48e4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.043485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032218/manifest.json
observed 45413d8b49331471bfb33ae7131c6093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.027120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032218/publication.md
observed c09bd55b5f8d5ecde0012962b8a5ab10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.010137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032218/publication.txt
observed b150a924b9deba46184109e6c78b2abc...
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.