OpenTechnical

OT-2026-000074887

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000074887) never changes.

Identity and time

Publication numberOT-2026-000074887 · never reused
Internal UUID01a0ae93-ac2c-7905-9cde-c7979e36856b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074887
StatusPUBLIC

Content hashes

Canonical text1805cf855630983eb1861676b4d801831757ea36c39c82adbbe750e1ece08030
Markdown8e1f17f6c86d09753ecff94e2e7e12eb19042f7c0b47566ed304dfc6b20021e1
PDF
Publication pageae70cba2e2ca4735ac792d5352d096a5b976c0a9b802089471961aa2ed272ed7
Manifestca8d93ac66f2620992ed1f510d18c33925f262342e2818e0c4664dcd434e6115

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
SignatureUMeeEXHj+UQGw6L+0F4MZ3h3Ho8wksysPC25QAxJ/Q2cpxXsaQXNO30YVMxfZZKUWiDRvowrmzi4Iw3Qh0+JAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:36.531285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074887
observed ae70cba2e2ca4735ac792d5352d096a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:36.516423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074887/manifest.json
observed ca8d93ac66f2620992ed1f510d18c339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:36.500865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074887/publication.md
observed 8e1f17f6c86d09753ecff94e2e7e12eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:36.484736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074887/publication.txt
observed 1805cf855630983eb1861676b4d80183...
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.