OpenTechnical

OT-2026-000025830

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000025830) never changes.

Identity and time

Publication numberOT-2026-000025830 · never reused
Internal UUID01a0ae71-a83e-71ab-a2dd-3f3b91f1a735 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025830
StatusPUBLIC

Content hashes

Canonical text7dc2c9d9828b45c344e5caab711c0bac834b7d4d91c114b97040863e799d9fff
Markdown174da3db967ed051ed268683935709c9479db7bef382b778066881765f3c442a
PDF
Publication page43baf09ef38f1318772f0e8a2db0e877bb6ba02bdad4cf615079482c5d48f865
Manifestf63659dc61dbbf3de37937a6ae7d60055eaf6a46cd44d4abeb9a5fe0023fd265

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
SignatureM5GupYtk6zFXaoysYyk2J7FGqodZMooVvrPp2YCcYGNkVAb1z6JtCw73dbiU0Bfq4MjUlFGm4xYLgevuF9aJCA==
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

2026-09-17T11:46:03.325491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025830
observed 43baf09ef38f1318772f0e8a2db0e877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.309242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025830/manifest.json
observed f63659dc61dbbf3de37937a6ae7d6005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.293763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025830/publication.md
observed 174da3db967ed051ed268683935709c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.276345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025830/publication.txt
observed 7dc2c9d9828b45c344e5caab711c0bac...
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.