OpenTechnical

OT-2026-000042339

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000042339) never changes.

Identity and time

Publication numberOT-2026-000042339 · never reused
Internal UUID01a0ae7a-5d74-7b99-b686-b3c1f0590b51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042339
StatusPUBLIC

Content hashes

Canonical text256a9cbb832359f644cb045e22418edcdb6bc5ec2151fcf9f1a178009744462d
Markdown951a99325dfbfeadf5b196641bb1248e51df69f2ec9d060dbe854a3ae27c681f
PDF
Publication page292ce9ec90177de378ce14cfc983bb3431601df4b613b7f39895b6f408177415
Manifest897301c16644da752724b692160a38d74fbd8f32cbbc85e48bb8e6119a0300d5

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
SignatureOtQb7p/1kWjukKz8Vef+W2jx7dmMeVoO71P2bnhmEg6SttWCQ5+vzT6yNHtq5953c5S65ISj+n7xqWjvbNZRDA==
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

2026-09-17T11:16:02.810582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042339
observed 292ce9ec90177de378ce14cfc983bb34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.792639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042339/manifest.json
observed 897301c16644da752724b692160a38d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.775706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042339/publication.md
observed 951a99325dfbfeadf5b196641bb1248e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.758275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042339/publication.txt
observed 256a9cbb832359f644cb045e22418edc...
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.