OpenTechnical

OT-2026-000031479

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000031479) never changes.

Identity and time

Publication numberOT-2026-000031479 · never reused
Internal UUID01a0ae74-87ae-7a9c-99e4-4825cebcaaf7 · 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-2026-000031479
StatusPUBLIC

Content hashes

Canonical textc8d472d78be613a47e703e475994376929e105be74244a9895a03909a5013fd3
Markdown64fcfeecb90f20d33ab6f3b8ceaac5032f370c5261719423df8fc8e7cd5969d6
PDF
Publication page92d3ab18f80011491e3d30a79250ffb174a7a61dcc9c75caba6812a5793a37f0
Manifestf0ebeba0ca9611a191ccc4b489c317592a38132b44a3974e39f93936e36db697

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
SignaturewhDlZA0ir5oDgu1v4foa/RE1RjrtTER5NYKGZ5Z1YWNi92V0s/WEzlFsZS376+V7gvzJf8kA6fOseVPQO36xDg==
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

2026-09-17T11:36:18.156672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031479
observed 92d3ab18f80011491e3d30a79250ffb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:18.136102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031479/manifest.json
observed f0ebeba0ca9611a191ccc4b489c31759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:18.118508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031479/publication.md
observed 64fcfeecb90f20d33ab6f3b8ceaac503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:18.093123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031479/publication.txt
observed c8d472d78be613a47e703e4759943769...
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.