OpenTechnical

OT-2026-000006141

Publication integrity record

Bellows cup vacuum gripper, six outlet manifold, pump fed, pressure verified at each zone

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-2026-000006141) never changes.

Identity and time

Publication numberOT-2026-000006141 · never reused
Internal UUID01a0a950-ba1e-74f4-9e34-401b9b39547e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:23:55.169634Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006141
StatusPUBLIC

Content hashes

Canonical text9dc012ff87c64d91ce9e216ea15cb622faebcbc2fae16291057d023d87a5a4b2
Markdownc0cbeccd57dff8c9cc35496483599a2c51333fcae4ffd6dd2e799fbb713c0625
PDF
Publication pagecb5b50de8745ccb0fee91a688f7afe3127fa69993d826cde0511bb0b2e36e6fb
Manifest83648050a22268de1915db697a1813220aad32458c60995835184445dd939fd2

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
Signature951kTwPPlFpjABH2zu4LEZuU49Pw477dryNtP+XG8PsiMOzgvN5IX4L3yQ1QnPWcFWYcwaAfhynGcfLZSpmzBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:22.938480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006141
observed cb5b50de8745ccb0fee91a688f7afe31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:22.923873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006141/manifest.json
observed 83648050a22268de1915db697a181322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:22.909963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006141/publication.md
observed c0cbeccd57dff8c9cc35496483599a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:22.897106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006141/publication.txt
observed 9dc012ff87c64d91ce9e216ea15cb622...
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.