OpenTechnical

OT-2026-000032502

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, pulsed 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-2026-000032502) never changes.

Identity and time

Publication numberOT-2026-000032502 · never reused
Internal UUID01a0ae75-106f-70af-a08c-3835db169a2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032502
StatusPUBLIC

Content hashes

Canonical text3a3e2adaf7da1f3e5c97e6e8107266ff695b0851dd4d03fce3bdfd02e779f122
Markdown2d60a53b4a530d47d2681c6a521e085a37a0489474ad8597107a4d73a907d1d1
PDF
Publication page658231fea0752e4127d13fdfb774e039655002d13ca66a8811ae705cbf424160
Manifestdcf95d418654725aa942ec305d232a22a7a276cee49152f48a7dcabcc69f0939

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
Signature53grj7QvBEUzao7BL3f2DdaXkWnc+wF7DRXgxUY6ynQVjATEhVDdAk7P/5dhjbt8pZQIB5IbcxFjBLbuj279Dw==
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

2026-09-17T11:33:56.604430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032502
observed 658231fea0752e4127d13fdfb774e039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:56.587458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032502/manifest.json
observed dcf95d418654725aa942ec305d232a22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:56.570873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032502/publication.md
observed 2d60a53b4a530d47d2681c6a521e085a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:56.551602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032502/publication.txt
observed 3a3e2adaf7da1f3e5c97e6e8107266ff...
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.