OpenTechnical

OT-2026-000048398

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000048398) never changes.

Identity and time

Publication numberOT-2026-000048398 · never reused
Internal UUID01a0ae80-4de4-75a8-a1f1-5f7f1bdc3d60 · 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-2026-000048398
StatusPUBLIC

Content hashes

Canonical text25841efd569c1895f554a9d1fe173049c697eab80c3ea0f5f9d1379db84858a6
Markdown43acd79b11e45c0e9c77e83f396d1a606994364083ae04734f42d253186ce8e1
PDF
Publication page882030a7fd86b0cc9e3b0a6ebc0df2cc389b908b9600b5ffc3a8c12d4853e307
Manifestb053804df40041fc3920b4e497a35039ac4dcbb841cc0d49e1863eb387c102e9

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
SignaturedKK0ekqa9uDxEXgD9sIpcg4hBq6omtHb4ImmxPl3peGXD705PtkT5+Qrf6+LW3bV8x5SZHk4HT9y6IE60sjPCA==
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

2026-09-17T11:05:02.084605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048398
observed 882030a7fd86b0cc9e3b0a6ebc0df2cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.063812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048398/manifest.json
observed b053804df40041fc3920b4e497a35039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.045231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048398/publication.md
observed 43acd79b11e45c0e9c77e83f396d1a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.026916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048398/publication.txt
observed 25841efd569c1895f554a9d1fe173049...
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.