OpenTechnical

OT-2026-000040341

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000040341) never changes.

Identity and time

Publication numberOT-2026-000040341 · never reused
Internal UUID01a0ae79-2700-7653-907f-87e5811f3ff3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040341
StatusPUBLIC

Content hashes

Canonical texta7b5aa220308b8dc3c9cf9b461d750c1d9d4d1a9675f1a202244607ebdb6c792
Markdownb3860c665940056ac012532c18fc2f80fd5b8a115d69c8ca0a26f8261737b36a
PDF
Publication page12217339dbed8ba4d8687afec892e606ac281426d8f00e25275bd8a3045d576f
Manifest506293a14ff7b33a16b8b6a599be1fc6133d3e7685f13d4e8bee0f053b7ea9c7

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
SignatureSpImSV5h6kc5CF/8+lbnleR9quOt6Vck089Zms0viRft+0ikH2DztHrlnJEjZ5KcyVyly1piI31NKofiS2LpDQ==
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

2026-09-17T11:19:20.971283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040341
observed 12217339dbed8ba4d8687afec892e606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:20.952350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040341/manifest.json
observed 506293a14ff7b33a16b8b6a599be1fc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:20.933994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040341/publication.md
observed b3860c665940056ac012532c18fc2f80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:20.915555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040341/publication.txt
observed a7b5aa220308b8dc3c9cf9b461d750c1...
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.