OpenTechnical

OT-2026-000039756

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000039756) never changes.

Identity and time

Publication numberOT-2026-000039756 · never reused
Internal UUID01a0ae78-d8d5-7245-9986-566691b22840 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039756
StatusPUBLIC

Content hashes

Canonical textf0d3a928edb929990ca9338e22d7bf74b3d7459899c19d8ae43b4505be9c9d66
Markdown99ac48ab1bd21405166be2e6e74b32b086628db17acac447186c8263a4641936
PDF
Publication page667971ccfdbe77db77869afed9a6a0cc66ccfe249abb340aeddc52a6b769c523
Manifeste7e77c7711f5eac8a67dff04796131526680bd198c0711aae08e2848702f6b01

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
Signaturet8VF1nKYOYTgNX+Xk5Hh7tx6isJxaS/HjTxlx5k0wv1FqoaAc5lw+XhbxTcwlq3X6YTktY7o8XuDYiIEad7wCA==
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

2026-09-17T11:19:58.469661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039756
observed 667971ccfdbe77db77869afed9a6a0cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:58.451824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039756/manifest.json
observed e7e77c7711f5eac8a67dff0479613152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:58.433406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039756/publication.md
observed 99ac48ab1bd21405166be2e6e74b32b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:58.416596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039756/publication.txt
observed f0d3a928edb929990ca9338e22d7bf74...
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.