OpenTechnical

OT-2026-000010567

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, sustained 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-2026-000010567) never changes.

Identity and time

Publication numberOT-2026-000010567 · never reused
Internal UUID01a0ae6c-0ee7-724a-8a4e-893e88497c59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010567
StatusPUBLIC

Content hashes

Canonical text3ec1412b785c34dcb50da602bc64fa64073e3c8cbbc730537cc785a2f9207e9a
Markdown34cf17ca850ecf7163337b0771241c3ed943e6524e159db99b76746cfef20451
PDF
Publication pagee6db6ddf1ef74b343377d0dca8dd4a420c20bc264672aacd09280e673ab6fbd7
Manifest88a173b7c43b5eb9e54bbed6865dfdf3b5ee026d6ecc7d175b7c415c6fdbe56e

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
SignaturenUH2CzdG9elXsUpytJ7CaPXrOr54cTrQ/3vtYUsZQk2PIxA85HwNUWLzT3xN+iGzrwcJZJFaYyYJYaXCMP7NBQ==
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

2026-09-17T12:14:44.515684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010567
observed e6db6ddf1ef74b343377d0dca8dd4a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:44.497339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010567/manifest.json
observed 88a173b7c43b5eb9e54bbed6865dfdf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:44.476170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010567/publication.md
observed 34cf17ca850ecf7163337b0771241c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:44.457179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010567/publication.txt
observed 3ec1412b785c34dcb50da602bc64fa64...
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.