OpenTechnical

OT-2026-000045941

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line 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-2026-000045941) never changes.

Identity and time

Publication numberOT-2026-000045941 · never reused
Internal UUID01a0ae7d-8f89-7509-aa89-b9f3b8d3ec1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045941
StatusPUBLIC

Content hashes

Canonical text4691133efb645d7ca67c187a8afc829f25ebc8c9037e1484ad50515a97f0c0de
Markdown37fa248edb7f1dc45c729356d0cb45a7c90e070bdf51222c28ca23d8ee7c09f1
PDF
Publication page41d57f81f8b6544a6eeb670aa859b2cee7a37d001d8925f394e9f55eda8350c4
Manifestb489488b3e79332e6797a9a338b331747085e4b5a6cfda9a03321c1cd6a90792

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
SignatureWYDspBgLHPPjel5Q8AadxdQ+08nZ2g0Df7KQzLId/9sun6tNnTP80VZbvxkn7Y6/0mkdsURGCw5XiNEfYeFPCA==
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

2026-09-17T11:09:51.137116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045941
observed 41d57f81f8b6544a6eeb670aa859b2ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:51.117771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045941/manifest.json
observed b489488b3e79332e6797a9a338b33174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:51.099898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045941/publication.md
observed 37fa248edb7f1dc45c729356d0cb45a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:51.082035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045941/publication.txt
observed 4691133efb645d7ca67c187a8afc829f...
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.