OpenTechnical

OT-2026-000031114

Publication integrity record

Foam pad vacuum gripper, pump fed, pulsed blow-off after 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-2026-000031114) never changes.

Identity and time

Publication numberOT-2026-000031114 · never reused
Internal UUID01a0ae74-87aa-7bff-938f-117af33a6627 · 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-2026-000031114
StatusPUBLIC

Content hashes

Canonical text7050f0b256e2d24c65ffe7e2c5fd4c664aff8939de67484e56921ca9b53e4ccd
Markdown3caa4ed66cb87175c1c6d9f934197fe48a2fc3261ebbafb1ff34df43a11e1043
PDF
Publication page6f0f5a3754961913508b9417897bf2d6fd0fe5b703c69025676f418ac7d981e5
Manifest33e392b3aa6b77f9728ae4131ecddeaa72820be0dba0f3d0a5e8f2d8efafdbb9

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
Signature6I7DjY6d2RiM+4K6wiatX2RlBQGDLvdZlvAfpjjnLk0ED110HVIutPi0IyA899U7HlKLQpwTbyJs3GWdS6aIDA==
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

2026-09-17T11:35:32.836026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031114
observed 6f0f5a3754961913508b9417897bf2d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:32.818677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031114/manifest.json
observed 33e392b3aa6b77f9728ae4131ecddeaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:32.800980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031114/publication.md
observed 3caa4ed66cb87175c1c6d9f934197fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:32.781018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031114/publication.txt
observed 7050f0b256e2d24c65ffe7e2c5fd4c66...
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.