OpenTechnical

OT-2026-000069729

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000069729) never changes.

Identity and time

Publication numberOT-2026-000069729 · never reused
Internal UUID01a0ae91-185f-73ef-b591-9109e0b5cae5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069729
StatusPUBLIC

Content hashes

Canonical text8e375c7e09d8ccfe5f4e53e2c656b16d09d13263f0e7ad70d314a708e830546e
Markdown586131d98befa5ba5ca2426a8db0c6db9546d909bbb3e92d331a4c3337f35c22
PDF
Publication page7216ef570066ff10e0329fce46aefeaf1c87f644c4c7bd55a35380f1070c49fc
Manifest60b67de61a3ca17a241c351d56370428c0aa630dac689e19d5e4e146ef7b7f1a

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
SignaturetlJMUTm93sb5goDHfUyM9l/SpibFbfRdsenmWRG8U98zXnQ8MCaxakm6f5TEhPEGXHQagwq6uNW4zR6tCcdsCQ==
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

2026-09-17T10:26:32.432954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069729
observed 7216ef570066ff10e0329fce46aefeaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:32.415792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069729/manifest.json
observed 60b67de61a3ca17a241c351d56370428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:32.398663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069729/publication.md
observed 586131d98befa5ba5ca2426a8db0c6db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:32.381369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069729/publication.txt
observed 8e375c7e09d8ccfe5f4e53e2c656b16d...
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.