OpenTechnical

OT-2026-000048354

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000048354) never changes.

Identity and time

Publication numberOT-2026-000048354 · never reused
Internal UUID01a0ae80-4de4-76bf-a9ad-659c540d109f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048354
StatusPUBLIC

Content hashes

Canonical text6083154bfa153a034ebccc335e8a08b479ff890142bf08a78233b1f5bc5ffb43
Markdown2d72eaa1e16973a0346fb4167cb4c1a97fe805d081e32ab990468ba0e3883786
PDF
Publication pageb2df25bdd97fa9f617b7f2b073fcb57ae673e7d3bc4b87f2a2a1e2dbc223a169
Manifest55b26079e812ba5469f7b0cd9936d1c3d7aa99dc46669923a356fd6c7f544ea1

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
SignaturedshT6a8zBZquvSQoOg1ouaqP4QZrbHSgkESNQ2wG1xTiEuTWS7IWgvuxIzWRGevm1yFdvnkC0Qbryzk+1uZZAg==
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

2026-09-17T11:04:58.318658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048354
observed b2df25bdd97fa9f617b7f2b073fcb57a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:58.299045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048354/manifest.json
observed 55b26079e812ba5469f7b0cd9936d1c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:58.272781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048354/publication.md
observed 2d72eaa1e16973a0346fb4167cb4c1a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:58.162238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048354/publication.txt
observed 6083154bfa153a034ebccc335e8a08b4...
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.