OpenTechnical

OT-2026-000040446

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000040446) never changes.

Identity and time

Publication numberOT-2026-000040446 · never reused
Internal UUID01a0ae79-2701-7c72-8619-268d4e3963bb · 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-2026-000040446
StatusPUBLIC

Content hashes

Canonical texta9d2dddab8a573e1d73bafd16785792ff819c1b5487c88790d646c3d542b33ce
Markdown3d0fd66872de432f53209403e7819b0d065231039c78762251058d2e5d9846c6
PDF
Publication pagec75ef214594f24a857413974a1e8d9a2498f64a9409245e5d079fd8c9613f400
Manifest0f4e92ca5e50c47476c4b645ac571859ac2286ea42edc8ec25354a7dfa0ec470

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
SignatureKRM5jqrPsztvgzFGlVtwM7Oa3bFqtyboC3dF+ckxRvbma35wnRymeGZ+GPhUygg+e/VV7dJ3D2uSXhJ35/AyDw==
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

2026-09-17T11:19:29.407876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040446
observed c75ef214594f24a857413974a1e8d9a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:29.389563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040446/manifest.json
observed 0f4e92ca5e50c47476c4b645ac571859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:29.371885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040446/publication.md
observed 3d0fd66872de432f53209403e7819b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:29.353946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040446/publication.txt
observed a9d2dddab8a573e1d73bafd16785792f...
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.