OpenTechnical

OT-2026-000041271

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000041271) never changes.

Identity and time

Publication numberOT-2026-000041271 · never reused
Internal UUID01a0ae79-b144-722a-8878-80b016aa7ac4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041271
StatusPUBLIC

Content hashes

Canonical text3385cb24eaf69f9dcef69984f7bdc94a48596f2dbf3a4e05199004f171b8db08
Markdown3f1d7173ee32da2840853f1405900e60dc7fcd1df38865151be7bd833a9773a6
PDF
Publication page91715c43c0dbc12721d8a6a6ec09d26259c664d2749f7f0a953ef31a372a3a6f
Manifestfca22213a0f5d56244a078613e120a6c9dc1c1abc0b3d27c20c973da807f706e

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
SignatureG2QVrgjcHHKyQfuKgVavgCH06VL4JG4e0pdMWou8KyLR1+ZxXH7rYjekB1sQO7XWORuP0BZP6IDbyJ8fpRbsDw==
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

2026-09-17T11:17:14.774778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041271
observed 91715c43c0dbc12721d8a6a6ec09d262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:14.755675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041271/manifest.json
observed fca22213a0f5d56244a078613e120a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:14.737637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041271/publication.md
observed 3f1d7173ee32da2840853f1405900e60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:14.720398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041271/publication.txt
observed 3385cb24eaf69f9dcef69984f7bdc94a...
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.