OpenTechnical

OT-2026-000056199

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000056199) never changes.

Identity and time

Publication numberOT-2026-000056199 · never reused
Internal UUID01a0ae87-4bd1-7702-be21-ad64b40055d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056199
StatusPUBLIC

Content hashes

Canonical text346b0dd0090cedefcb1ce1eb6a36b4cbd7a4cf988ad860fa5bd9de32c446ccc8
Markdown57d04ce04daf5b17d75aa26957f9d0ad9fba1d512ff6b5c9f18e6a22bf7e8665
PDF
Publication pagee3da0d031b823e1f9683ad82d2e38bbb9be57b6de83c8a350087d42b0e9b1cfe
Manifestc01a059d70acbdeece5a86fc67739b97b14562207bc44daa758cf7545b48dadb

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
Signaturek+wyZ6Jf/Nw96slum+7s+gDRWeVTngSZC+1vJh/VeFB9uvmomXz1VkY0f3d6RrnAtsd21kCC+bwNwn+uS7mEAA==
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

2026-09-17T10:50:40.167645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056199
observed e3da0d031b823e1f9683ad82d2e38bbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:40.149401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056199/manifest.json
observed c01a059d70acbdeece5a86fc67739b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:40.131270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056199/publication.md
observed 57d04ce04daf5b17d75aa26957f9d0ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:40.113227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056199/publication.txt
observed 346b0dd0090cedefcb1ce1eb6a36b4cb...
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.