OpenTechnical

OT-2026-000044162

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000044162) never changes.

Identity and time

Publication numberOT-2026-000044162 · never reused
Internal UUID01a0ae7b-d67b-7c03-a574-619a8d3290bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044162
StatusPUBLIC

Content hashes

Canonical texta613446b2ec83a3e6bf80ee06ea11ca183d170e8d6db59d09add76767a4de4ae
Markdown03dce3fac69f21a2667c8dc917ced8806a5e2964b90cb8228652faec3551c295
PDF
Publication page3771d058e9f3222254bff45fd4e57de2030db91d8a179c2c06ab80af290732e7
Manifest9fab5b2f95ffbb3f54d64594032a10d157ab3ef38bbd440397764c3151824b93

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
SignaturefvIDLTxlPz4p9ycj/oF5IG+Snhua6y1C735OjDjiemz7NCgOP3We7XT8sALvF9hlPPJcvZGdMAs9y37i/qQPDA==
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

2026-09-17T11:12:35.451333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044162
observed 3771d058e9f3222254bff45fd4e57de2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.431124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044162/manifest.json
observed 9fab5b2f95ffbb3f54d64594032a10d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.409590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044162/publication.md
observed 03dce3fac69f21a2667c8dc917ced880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.390260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044162/publication.txt
observed a613446b2ec83a3e6bf80ee06ea11ca1...
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.