OpenTechnical

OT-2026-000029035

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000029035) never changes.

Identity and time

Publication numberOT-2026-000029035 · never reused
Internal UUID01a0ae73-2a9f-7697-963b-836ddc5e9f6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029035
StatusPUBLIC

Content hashes

Canonical texte95af82e1de82f0ed8b335d924844131dc43b3ee0f8aefbb9f23c73137ab8d00
Markdown4dc3dbdd990e22f6278fda2b5af291b04d9283972ad93425b8ca7095a2d9926c
PDF
Publication page48467359569315d3c73932e431b53266c3d32fc38f410943281528b01313bc72
Manifestbd127f9b728a83029dacaa2d642416d20380f03503477e0c93c9420a94fac392

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
SignaturewpeGVAN4R8QXn6vunEsDcFf2q4HpUfaaJ7X+AlLH8PWiz6whVQwpkooniqlnZ+OL/MCLauyNvlCg1iEPOLwkCA==
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

2026-09-17T08:20:33.971424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029035
observed 48467359569315d3c73932e431b53266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:33.939710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029035/manifest.json
observed bd127f9b728a83029dacaa2d642416d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:33.795733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029035/publication.md
observed 4dc3dbdd990e22f6278fda2b5af291b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:33.764074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029035/publication.txt
observed e95af82e1de82f0ed8b335d924844131...
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.