OpenTechnical

OT-2026-000031163

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000031163) never changes.

Identity and time

Publication numberOT-2026-000031163 · never reused
Internal UUID01a0ae74-87ab-7e3f-86aa-d1108461a3ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031163
StatusPUBLIC

Content hashes

Canonical texta984f34e67207e0c8c3ebfe1826b87a29ddef9b94b225faca22960705f488d18
Markdownef00301fa02833669a36f445c9ff642533479dd0cd3abae2760ada6e36946dbe
PDF
Publication page2cd3c7d56d0a500ac74ff710baf1b0482f13aac322ae5a5e5b85d23b6c96b355
Manifesteb411ad64114bc9178325dc5e953fa67fed2f9f1c1e8ccba6371886054f4851c

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
SignatureckOPSGE2zZlCl7g7CFZ6w6Cu/GM1ZG+TGf6/6KgEzcfYZeBHw7Jw1q99tm0xYAMGBGUOENXLdJqnk5ztDE9RBQ==
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

2026-09-17T11:35:42.650150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031163
observed 2cd3c7d56d0a500ac74ff710baf1b048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:42.630099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031163/manifest.json
observed eb411ad64114bc9178325dc5e953fa67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:42.609363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031163/publication.md
observed ef00301fa02833669a36f445c9ff6425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:42.589653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031163/publication.txt
observed a984f34e67207e0c8c3ebfe1826b87a2...
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.