OpenTechnical

OT-2026-000044428

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000044428) never changes.

Identity and time

Publication numberOT-2026-000044428 · never reused
Internal UUID01a0ae7c-39d7-73f9-a23b-08a9aef78954 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044428
StatusPUBLIC

Content hashes

Canonical textc8d034226f781c86672be541b733cc0bfa9e0d949bc04534d700bdc27dabce18
Markdown666c8f6b7d5d11cb08c088ed896f623f4309e1274bbe90c5fd668def40bb5630
PDF
Publication pagedff2e23d88f0fb2ad43b4d53391bd6120d2d6fcd48a06a98c739d3e0d713c5f4
Manifeste75113455bc09aadb44134bdf05a4109227529b4b2bdf5a8a33712b55a8595c3

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
SignatureVulOlHpt9AArNpfI6m1qbXDHNw1gI1JQBTIA+t/xcLvURut5LC8gXz1WkkNjwzgk7fwAaUgC981Oeq+LN5R8BQ==
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

2026-09-17T08:30:44.505770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044428
observed dff2e23d88f0fb2ad43b4d53391bd612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:44.486217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044428/manifest.json
observed e75113455bc09aadb44134bdf05a4109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:44.337665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044428/publication.md
observed 666c8f6b7d5d11cb08c088ed896f623f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:44.317589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044428/publication.txt
observed c8d034226f781c86672be541b733cc0b...
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.