OpenTechnical

OT-2026-000019430

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000019430) never changes.

Identity and time

Publication numberOT-2026-000019430 · never reused
Internal UUID01a0ae6e-f393-7fce-b28a-09b7b8a49684 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019430
StatusPUBLIC

Content hashes

Canonical text3d0588c0d779eec21e4f155dbbfc404fb308b5ec15ba17fbb32a7658a5daa3ae
Markdownb9bd0db629d27da83ba784e90c78348b5cd637172584148667532dd49f298097
PDF
Publication page145f35f5908140def027ff3fe4fd9738d556ae201d4f5d9e1028ee7f5aa3ad98
Manifest88363fef3a3151b272d9bf79caf8b75586608797fb7f34b3749d3bf339511dc9

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
SignatureHhSwwzGza9Y59AQiZ9o5+Z8wIvxhz98bookbYSfV6Pj3GoGucppERBQCPIL3EViZ1wrpWO1EHYVvf+nfBNQTBg==
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

2026-09-17T11:58:49.475603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019430
observed 145f35f5908140def027ff3fe4fd9738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:49.458339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019430/manifest.json
observed 88363fef3a3151b272d9bf79caf8b755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:49.442246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019430/publication.md
observed b9bd0db629d27da83ba784e90c78348b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:49.425795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019430/publication.txt
observed 3d0588c0d779eec21e4f155dbbfc404f...
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.