OpenTechnical

OT-2026-000100778

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum 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-2026-000100778) never changes.

Identity and time

Publication numberOT-2026-000100778 · never reused
Internal UUID01a0aea3-66f4-7c86-81e0-cc71f7132e37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100778
StatusPUBLIC

Content hashes

Canonical textf3004eda44bf3050342414c9e4824cdf7508a807b991ac9909a2800ef2e62099
Markdown3bdbc066ef69ba321dd88a611971e5d7cae14a1b7b61cf78c3cb92b0d7d2a6a9
PDF
Publication page88a041de8e72d49ac2ac7afd21bc6fde2971ba10cbd3801c5a9af0caa00663f2
Manifest6e60f7805f1ce944561033364be7f4768f9a1d6b2190884f5e3db18ed782d063

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
SignaturenoxV8oPLmMBitNSg/XzdMS9YLp558PNH7CwSV4pq70z9o732VsZDcizFNKzbZqRif6955D9DIXmR+nrkjNWwBg==
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

2026-09-17T09:27:37.212535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100778
observed 88a041de8e72d49ac2ac7afd21bc6fde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:37.196021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100778/manifest.json
observed 6e60f7805f1ce944561033364be7f476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:37.177739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100778/publication.md
observed 3bdbc066ef69ba321dd88a611971e5d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:37.159855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100778/publication.txt
observed f3004eda44bf3050342414c9e4824cdf...
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.