OpenTechnical

OT-2026-000011921

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000011921) never changes.

Identity and time

Publication numberOT-2026-000011921 · never reused
Internal UUID01a0ae6d-1942-7a1c-a55e-dcde79b057fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011921
StatusPUBLIC

Content hashes

Canonical textbc5299475184babf43598467d0fc4a27697505c7c51f842ab958356c42b306ad
Markdown197526d6fd0b8d1f5cff8943a637c92245d4b518c61ed1a90099b1d87fe1328b
PDF
Publication page381d85753b04cab0bb65b77b5ad4e834fc8f8cf6962bf476204f6bbb5e691a2f
Manifest868c53fca62bbfd890e5e317fb31d151fa8100ee48c06c86cbf2554cff366023

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
SignaturezVrYlj2GvyfL/LKmLLA9VqPVvRTE20dncq7xsxu7Ayo7wYRa4/8pB/xIJpxSJdnnDTv9mHX6zjt2pG2i1p2pDQ==
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

2026-09-17T12:12:41.260926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011921
observed 381d85753b04cab0bb65b77b5ad4e834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.242602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011921/manifest.json
observed 868c53fca62bbfd890e5e317fb31d151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.223476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011921/publication.md
observed 197526d6fd0b8d1f5cff8943a637c922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.202023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011921/publication.txt
observed bc5299475184babf43598467d0fc4a27...
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.