OpenTechnical

OT-2026-000006931

Publication integrity record

Vacuum cup gripper, two outlet manifold, ejector fed, pressure verified, vented 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-2026-000006931) never changes.

Identity and time

Publication numberOT-2026-000006931 · never reused
Internal UUID01a0a96c-bbee-74d3-9509-6e05d460a126 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:54:30.641198Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006931
StatusPUBLIC

Content hashes

Canonical text87dc18b24ec0d15698e89f74fe5b90ee65c90562561aa319311567e3d701058e
Markdownc7579acd76ec5e848fe018c39dbeed7d62a3dd1753f59bf6d560688ec36991ac
PDF
Publication page06e8ae8e23034ea5dc34d09cc3e8bdd78de39490fd2f3034be40413a2a916935
Manifest48289a02f757707530378ac53f10246dd3dbeca31f06efe79634eca37d6235f7

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+h4sQ9ZDMkTdqfbcEIVReBK2F1lX9leQuxD8cN4PtALlt9KmJMpHzHtjIvJlVhoVpMJrl/YrlDsxgzdF+vY2Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:20.708788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006931
observed 06e8ae8e23034ea5dc34d09cc3e8bdd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:20.696834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006931/manifest.json
observed 48289a02f757707530378ac53f10246d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:20.684812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006931/publication.md
observed c7579acd76ec5e848fe018c39dbeed7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:20.671850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006931/publication.txt
observed 87dc18b24ec0d15698e89f74fe5b90ee...
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.