OpenTechnical

OT-2026-000054109

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before 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-2026-000054109) never changes.

Identity and time

Publication numberOT-2026-000054109 · never reused
Internal UUID01a0ae85-b3a8-7252-ada0-65fcc78058a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054109
StatusPUBLIC

Content hashes

Canonical text404b38a13320506add2bea4695dcda790ceff4b75990351605ad77024d749729
Markdownec8eebbc810a29b0f0d8e11d821e9c68032004c4743d33825c391e3cacdea81d
PDF
Publication paged4cfb045a3a067921cdc563b941fc5e0f2924ed4c7b6e4be403dd0cc6abe2904
Manifest11ee133a0b818df932a1f369ed1121ff6130e0f1c869153aa05de23514b795d9

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
SignatureST45tG3eEsTg+1osk87P44tzOU8+JDbR7epadOK0tH/H+H9N2mnD2AXa0Po9+Wis9N2Y13OyF7XiIup+4BiEBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:30.175606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054109
observed d4cfb045a3a067921cdc563b941fc5e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:30.158056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054109/manifest.json
observed 11ee133a0b818df932a1f369ed1121ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:30.140968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054109/publication.md
observed ec8eebbc810a29b0f0d8e11d821e9c68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:30.124228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054109/publication.txt
observed 404b38a13320506add2bea4695dcda79...
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.