OpenTechnical

OT-2026-000029149

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump 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-2026-000029149) never changes.

Identity and time

Publication numberOT-2026-000029149 · never reused
Internal UUID01a0ae73-2aa0-7eeb-aa3c-4cc5574eba13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029149
StatusPUBLIC

Content hashes

Canonical texta9e0313fd5fe26fa8139da7e6c2ee0fe37c30058952e0a64b288bda879bd66a3
Markdownbfd624c96b375099c077fad925e0a46b00bc84d69123926ea36bd675824b76f9
PDF
Publication pagef3734b803d52ce8455f67c448970cd6bd0833d78f2707b8530029fac45cfc218
Manifest19f49350de9c6b3da1d5c2cb36ac7e436d8df1eef30fd2b171146435e997e3c9

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
SignatureuNcPhMHu8zwu9y/dnscBzLstJxE3qxIm0mj0lUYTmLK04Pc75OHlRvyZFIYNzHVRrcC5js91BkBy4bYepcXaBw==
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

2026-09-17T11:39:38.392525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029149
observed f3734b803d52ce8455f67c448970cd6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.374878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029149/manifest.json
observed 19f49350de9c6b3da1d5c2cb36ac7e43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.357912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029149/publication.md
observed bfd624c96b375099c077fad925e0a46b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.336936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029149/publication.txt
observed a9e0313fd5fe26fa8139da7e6c2ee0fe...
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.