OpenTechnical

OT-2026-000033088

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000033088) never changes.

Identity and time

Publication numberOT-2026-000033088 · never reused
Internal UUID01a0ae75-4844-7ae7-97b2-bef49d0ae8ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033088
StatusPUBLIC

Content hashes

Canonical text17b3fd574c20eed71d9a6dff17f970d104383cb59c53ed3b473c63dd65de7be4
Markdownfe814f032493d75e2fcc9c5b871fb01925be072f015696c4a5ed51fb77ae5291
PDF
Publication page7f17cd4d81dc05494924b61d85b09f758f9654045b885540ed19beba4ba5de16
Manifestd497ed2e1c03440c4c5c2b7faafbca656619238b04a74b0300c40a942213ac8c

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
SignatureU74Mm49WPe2RahiD4i1nHes3icP2DaESMuxX/8DWItn3czpUh7uwk6jHn5UEmNIgvYfcHW/ar7Gm7YxctrAKBw==
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

2026-09-17T11:32:44.231121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033088
observed 7f17cd4d81dc05494924b61d85b09f75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:44.213916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033088/manifest.json
observed d497ed2e1c03440c4c5c2b7faafbca65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:44.195928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033088/publication.md
observed fe814f032493d75e2fcc9c5b871fb019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:44.178807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033088/publication.txt
observed 17b3fd574c20eed71d9a6dff17f970d1...
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.