OpenTechnical

OT-2026-000017173

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line 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-2026-000017173) never changes.

Identity and time

Publication numberOT-2026-000017173 · never reused
Internal UUID01a0ae6e-76c7-707b-af87-95c39f4ee535 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017173
StatusPUBLIC

Content hashes

Canonical texte162554b44c708f5f6319360028b8910e2f303beb2bbc5b27a50e67e853871ac
Markdown5f2ec9700a7015d6d1174ebf0d44424e20e5f861ea797f8fa1208121499e51ff
PDF
Publication paged110b28bdb0b9ab35565231baff3e44555db4df34a31f8f4bc444f83d14df445
Manifest878594dc76bbb7dacedfb2b3b7c05be8ecac8824e4ca5d5d3bfa3a79c455cd58

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
SignaturexeRnLGsMQvIXoYGkWAjp69pMP4LlORw4coRYHhCFm4sRqgv4AseMBjpJeTemEzBAU5pKeTzdJIqUeE04B6DNCQ==
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

2026-09-17T12:02:14.430068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017173
observed d110b28bdb0b9ab35565231baff3e445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.412592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017173/manifest.json
observed 878594dc76bbb7dacedfb2b3b7c05be8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.396685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017173/publication.md
observed 5f2ec9700a7015d6d1174ebf0d44424e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.379817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017173/publication.txt
observed e162554b44c708f5f6319360028b8910...
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.