OpenTechnical

OT-2026-000043247

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump 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-2026-000043247) never changes.

Identity and time

Publication numberOT-2026-000043247 · never reused
Internal UUID01a0ae7b-327d-78ba-a676-13fe192e289a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043247
StatusPUBLIC

Content hashes

Canonical text1f61ffe35e6294840b7f5e2854a9ccf83e7c5b069d97b2214179774c24e54153
Markdown22fb027507a412d7c3bec97976a00f758ff371d97695ed69112de493fcc709a0
PDF
Publication pagebc0dc09d1363bb3d8a094d2e3da946da6c56ff558ae7c5476c9922742e355849
Manifest5d188a14a5cbd635f01c113e681063ca947f5d78e2dce6abbb7d8b09fc0dacd0

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
SignaturemLB62lSa+HFRqAkkuAb4mKa+5spNG5QRZ3kttwHtDX9dxFZVvKFawL9gVhikziQjtvu/3mv3U4Aef8I4zJl6Aw==
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

2026-09-17T11:13:43.493975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043247
observed bc0dc09d1363bb3d8a094d2e3da946da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.474362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043247/manifest.json
observed 5d188a14a5cbd635f01c113e681063ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.440266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043247/publication.md
observed 22fb027507a412d7c3bec97976a00f75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.402414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043247/publication.txt
observed 1f61ffe35e6294840b7f5e2854a9ccf8...
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.