OpenTechnical

OT-2026-000068180

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000068180) never changes.

Identity and time

Publication numberOT-2026-000068180 · never reused
Internal UUID01a0ae8f-c4ff-70de-b289-6ea6c5dee869 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068180
StatusPUBLIC

Content hashes

Canonical text0da499492d70364afa28f6a26be8872c1986cd13f00d40d2ef154ec576d12ebf
Markdown9aeca591e1074aa21951d771e6f83c143d6005f82799b799a3d65e9fb97c6c89
PDF
Publication page859b8490585e87a178c2e4f6e34f2b2f3c9e1d4b5b754808846dda03b41031b0
Manifest3a2556d67bad4271bfe7fccf7246db9ea2507b209d0483d35c144a390ba8d65b

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
SignaturedYMaVPOW1LWEw818A7vWE3GE9/9OYRUV9jZyG9SuTxDZAqBL0CswRsw8dXNdShgcO1yrEnKAwc5cvSHwT/FUBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:50.277319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068180
observed 859b8490585e87a178c2e4f6e34f2b2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.259779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068180/manifest.json
observed 3a2556d67bad4271bfe7fccf7246db9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.239808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068180/publication.md
observed 9aeca591e1074aa21951d771e6f83c14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.221828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068180/publication.txt
observed 0da499492d70364afa28f6a26be8872c...
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.