OpenTechnical

OT-2026-000043122

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000043122) never changes.

Identity and time

Publication numberOT-2026-000043122 · never reused
Internal UUID01a0ae7b-327a-7c44-bcd3-7322b5e10747 · 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-2026-000043122
StatusPUBLIC

Content hashes

Canonical textac1ed1b38d545cb8dc13429b6421f38e91a294c0c5670be5413eac91bebb0ea4
Markdown45339b9df4f2c00c958c240a357d0eeffa51458316d4776d87f3a8a958e7ee64
PDF
Publication page3424a7c02bd583cc54ee0ec7e1b673163118ca2a4e8f5ebd56936dad1d5e01e1
Manifestc7ecd85eb3e0bf12ef4f217997e8406e555b1f33e9463386e015c19d772fdd0c

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
Signature1CQbh11/oX8Nq04nC28BIBC+Rr8UFt0xRiFLYKuNj9E1QZdhibs0njqblsDCi4MdeMyeM/pDd6vRrZQKTGa5Bw==
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

2026-09-17T11:13:33.113924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043122
observed 3424a7c02bd583cc54ee0ec7e1b67316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:33.093417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043122/manifest.json
observed c7ecd85eb3e0bf12ef4f217997e8406e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:33.075179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043122/publication.md
observed 45339b9df4f2c00c958c240a357d0eef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:33.057703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043122/publication.txt
observed ac1ed1b38d545cb8dc13429b6421f38e...
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.