OpenTechnical

OT-2026-000050931

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000050931) never changes.

Identity and time

Publication numberOT-2026-000050931 · never reused
Internal UUID01a0ae82-c7b3-77fc-8eea-ffe89527cfaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050931
StatusPUBLIC

Content hashes

Canonical texta8d3ce34fb36ddd6f4befac77e392a0f55ba7e7ce9807c9259a31fcfb2820540
Markdownd932a2445b6280ee46a8153cf75bc4533161e417d4d38d49bbeb3e6c7628bd90
PDF
Publication pagec9323091cad3ae5bbcf07036fc41389e55d2ba18d039e9117fc15f4cb91c0e10
Manifest328b553147446b42d26ddd2c7258370c8a6e052eb5c49ceb0d2c1afe7aeb8bd2

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
SignatureTqGjGmckzsLDF9EfwlLV1eKAZtYKWUrH29no8UivM8Ep/vbOzulN+VSSjlCMOLf7mppeazQbcJG1FepKRb8aAg==
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

2026-09-17T11:00:41.661637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050931
observed c9323091cad3ae5bbcf07036fc41389e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.648420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050931
observed c9323091cad3ae5bbcf07036fc41389e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.637294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050931/manifest.json
observed 328b553147446b42d26ddd2c7258370c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.626807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050931/manifest.json
observed 328b553147446b42d26ddd2c7258370c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.610935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050931/publication.md
observed d932a2445b6280ee46a8153cf75bc453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.606201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050931/publication.md
observed d932a2445b6280ee46a8153cf75bc453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.590727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050931/publication.txt
observed a8d3ce34fb36ddd6f4befac77e392a0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.585657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050931/publication.txt
observed a8d3ce34fb36ddd6f4befac77e392a0f...
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.