OpenTechnical

OT-2026-000034353

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000034353) never changes.

Identity and time

Publication numberOT-2026-000034353 · never reused
Internal UUID01a0ae75-df0e-7ca9-ad4a-993fe1d3da35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034353
StatusPUBLIC

Content hashes

Canonical textd2487c9ba5d05b0623302745995e57a72c50dbfa663410d40375fb64d1246989
Markdown113e004d2e5a37193081f70a501762260948ce904e9b6983d65b41a677d43167
PDF
Publication page06572bdf75030729e978a997920cc6de071f667ea9d7dce559f20a624be141d2
Manifest5a2201a5a4078942f2bb1b8a9556cd6038d76633687df14a9ba0d13f57a40bb2

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
SignatureZDfdPPAonhsfWHg9fFJuTUY+GlLnmbQ/Cxxbn2u7Ojkhwx9+AC0IlwB/QYfRMQSUQpytcmRjxdPSUT685AjtDA==
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

2026-09-17T11:31:03.335331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034353
observed 06572bdf75030729e978a997920cc6de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.318043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034353/manifest.json
observed 5a2201a5a4078942f2bb1b8a9556cd60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.296428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034353/publication.md
observed 113e004d2e5a37193081f70a50176226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.268926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034353/publication.txt
observed d2487c9ba5d05b0623302745995e57a7...
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.