OpenTechnical

OT-2026-000067162

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000067162) never changes.

Identity and time

Publication numberOT-2026-000067162 · never reused
Internal UUID01a0ae8f-14ff-7235-ab7c-3b6a18d3da2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067162
StatusPUBLIC

Content hashes

Canonical textb14b705ba732cc190d1693abe19ad796c671302bd69fdbe55f412449581f1320
Markdowne37b185f679101e6ff6c4cd316fea5a1e413e308a5d53587f2cc6e1f1921c397
PDF
Publication pagebe4a474f4af6f28f8a318a673d97e811e9c7cf0369b2ef56f2c0329a167ceb77
Manifest2a00ffec2a340657f7218f605fe33cc05b0e56ba0502bae211d702fffe0f29fe

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
SignatureSKjhnr4hORejxvLgRt2Y0MJavTkrd+zWr5TZfOkCozdPu8EInc2pPTvUM4FYA0oBdn6kseFRC5JRssSh2EguDQ==
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

2026-09-17T10:32:26.680586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067162
observed be4a474f4af6f28f8a318a673d97e811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.663500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067162/manifest.json
observed 2a00ffec2a340657f7218f605fe33cc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.645989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067162/publication.md
observed e37b185f679101e6ff6c4cd316fea5a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.628490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067162/publication.txt
observed b14b705ba732cc190d1693abe19ad796...
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.