OpenTechnical

OT-2026-000010288

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, vented after 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-2026-000010288) never changes.

Identity and time

Publication numberOT-2026-000010288 · never reused
Internal UUID01a0ae6b-cb7b-7c68-a036-9046114ae0e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010288
StatusPUBLIC

Content hashes

Canonical text6f651d1e34b573fdd64e30d5bccd31eabdba8eac61cf260173b2b8c67492237b
Markdownac07f4e79b5711a8b006a431244ce6e209db127d92b9f3c5370b57eac6389fad
PDF
Publication pagef45a09c5fd05b659c6ebaabdb948fc77d0c5db234c6bca76dc0a965ac37f5f6b
Manifestae5f315be98a5789e7a2e2a6e649133914c56bcb6c65d3e8603d6395291c3917

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
SignaturebL/coXJUoDgsP4Cf7yA1BPLG+PT4cmRpWaiNuMRG0fPalMCT8AbRqKA1cS50DbP8vemkJGqBXlWgA+iMX+YSBQ==
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

2026-09-17T12:15:47.684514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010288
observed f45a09c5fd05b659c6ebaabdb948fc77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:47.662971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010288/manifest.json
observed ae5f315be98a5789e7a2e2a6e6491339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:47.643880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010288/publication.md
observed ac07f4e79b5711a8b006a431244ce6e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:47.622419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010288/publication.txt
observed 6f651d1e34b573fdd64e30d5bccd31ea...
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.