OpenTechnical

OT-2026-000030906

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000030906) never changes.

Identity and time

Publication numberOT-2026-000030906 · never reused
Internal UUID01a0ae74-3fb6-72fc-85a9-7268cd227c4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030906
StatusPUBLIC

Content hashes

Canonical textda85f40f3d12cf42fd7220f21bbb5fdffe1eb460f3df19d8e36e9bc5e57837e1
Markdown635927ce4d802ee40019a23f4aea5563ccccab8c1a0854245c8e710dba24bbda
PDF
Publication page287ff33f58761992601a177bdf0050b7ad3da1770406cd8c5fd84d482f58219f
Manifest9e682882b9afca2f17dc0a4c104dd68ceb4ffa572338641cf84cfe0992a94eab

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
SignatureUY9ZudzWZ4u58IYI0fio9H+3dS83gXezhD5Uz3/yfi95TBEesiwsW1ViJTArJ/DP97t9fj/xqr1qJGuxq4FfBg==
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

2026-09-17T11:36:53.699993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030906
observed 287ff33f58761992601a177bdf0050b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.683488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030906/manifest.json
observed 9e682882b9afca2f17dc0a4c104dd68c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.665962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030906/publication.md
observed 635927ce4d802ee40019a23f4aea5563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.648151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030906/publication.txt
observed da85f40f3d12cf42fd7220f21bbb5fdf...
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.