OpenTechnical

OT-2026-000067831

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before 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-2026-000067831) never changes.

Identity and time

Publication numberOT-2026-000067831 · never reused
Internal UUID01a0ae8f-c4fb-72f1-b2fc-e317c610e091 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067831
StatusPUBLIC

Content hashes

Canonical text36726a8b487c267f27e55d43a61403ba852d26097a5d03632ae7c3d92941c7d3
Markdown075a525b9022672a8f3002ceb6ca6b920efc8b2ceab6cf6e33c948c7be802733
PDF
Publication paged7957dbd553def14fb6ed2352e823075370ad9313dbb638ee5ecaca43a31321a
Manifest6d752200a66b49de24797a5e00e7270d53aa949f6dce62a28b286bc75f6d594a

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
Signaturelw0N7NtVq08RnLTZyzTVoFh1pX4mp/PnLEdeeLmrM26XdbjEh6pSYUK+p6cG7qHm33tbhedYgiPD2nu+2/99CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:05.034190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067831
observed d7957dbd553def14fb6ed2352e823075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:05.015678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067831/manifest.json
observed 6d752200a66b49de24797a5e00e7270d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.994468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067831/publication.md
observed 075a525b9022672a8f3002ceb6ca6b92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.972501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067831/publication.txt
observed 36726a8b487c267f27e55d43a61403ba...
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.