OpenTechnical

OT-2026-000043259

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000043259) never changes.

Identity and time

Publication numberOT-2026-000043259 · never reused
Internal UUID01a0ae7b-327d-701d-87f1-c2f7d9fa36ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043259
StatusPUBLIC

Content hashes

Canonical textbca8571e7180d90b7f49cd42952a81adefceb3f8174bc4c841e1f0db894e1a38
Markdown5d03c64e3b246053354da89203616cdc680487806c87483327993b679026de4e
PDF
Publication page97c70407b98080bc81f5d442a24b5537f340aa9f082e08defcc47487352ac673
Manifest594ccf4394bdc0b01da310d78cdbf400d754111fe4b04c3ef6e17025a1908e3f

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
Signaturev2K14DwNqGHCbWw/UB1idnwmTJgHj0hoer585QI5/soH42ibyEwJRHGTSjp44Muq3e9HsvLAWfTpGo1DE9BfDA==
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

2026-09-17T11:13:44.501548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043259
observed 97c70407b98080bc81f5d442a24b5537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:44.479810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043259/manifest.json
observed 594ccf4394bdc0b01da310d78cdbf400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:44.458832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043259/publication.md
observed 5d03c64e3b246053354da89203616cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:44.437964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043259/publication.txt
observed bca8571e7180d90b7f49cd42952a81ad...
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.