OpenTechnical

OT-2026-000100155

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, sustained 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-2026-000100155) never changes.

Identity and time

Publication numberOT-2026-000100155 · never reused
Internal UUID01a0aea3-3052-74ff-b253-8ed0194854e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100155
StatusPUBLIC

Content hashes

Canonical text7b7febc2113068689acbbe385ef42ba0226b17b37c551984c04e27680a1018ef
Markdown7e086e3cf424634d20ef35fe478815df304512a43495f27a893ac502bacaa3a1
PDF
Publication pagea3ef714b4ea69881de3da21da4a22a54e8842b9a80ba8228f780e6f1820e0cef
Manifestd73cda2cc6e3815daf880cc8cfe2d0336eab0350ca3392dd442a1ac8fb61f879

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
Signature0J1gDp5mIoRP91ub6ib6vADmDM2hRvC33hMDqgnBmPyuDjM6A0qHlh7mm0uaVMv9WEwXBzxrruYp7UK3goKjCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:51.703970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100155
observed a3ef714b4ea69881de3da21da4a22a54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.683176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100155/manifest.json
observed d73cda2cc6e3815daf880cc8cfe2d033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.664766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100155/publication.md
observed 7e086e3cf424634d20ef35fe478815df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.644672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100155/publication.txt
observed 7b7febc2113068689acbbe385ef42ba0...
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.