OpenTechnical

OT-2026-000095442

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, sustained 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-2026-000095442) never changes.

Identity and time

Publication numberOT-2026-000095442 · never reused
Internal UUID01a0ae9f-8f73-7560-8224-0f6a03fb5b17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095442
StatusPUBLIC

Content hashes

Canonical text30804631f692f2de8d83c19a9240882d91da200dc37f6abd27798a384a3a9e02
Markdown571ee578b3f1ff3a6a19ae89f973609eaea908d580414cd28215ba5f973cf848
PDF
Publication page541805b5665ecae90f0a8ae5c6d5132fc3bce69fa96b1c3cd5438457d4888c4b
Manifest0bcc6cdbca5b37d440e39e91fbff340af897ab9680ccbbbbbb93352a2e76a3ba

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
SignatureCN9swWRzuYnnvhJLivunevUZrAIt63za2K0GGG/1DG70THW6cE03Yx8MiHWmapRYBhvtjIbju700qAM8iZQACQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:48.977321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095442
observed 541805b5665ecae90f0a8ae5c6d5132f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.959705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095442/manifest.json
observed 0bcc6cdbca5b37d440e39e91fbff340a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.940560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095442/publication.md
observed 571ee578b3f1ff3a6a19ae89f973609e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.921242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095442/publication.txt
observed 30804631f692f2de8d83c19a9240882d...
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.