OpenTechnical

OT-2026-000050023

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000050023) never changes.

Identity and time

Publication numberOT-2026-000050023 · never reused
Internal UUID01a0ae81-fd78-7262-8b9b-ac148d411b08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050023
StatusPUBLIC

Content hashes

Canonical text620d9b20debd00cefadd0ec8dad5337a7ec7e8510a3ee9944c315f61c797768e
Markdown0aaa597f7446999c858a7e1e052757de40648814cd8dfd6e6f70b89543b4f8d1
PDF
Publication pagea8c5f49de8a197515f144c077276c94d37debc6058b8c4b660b094bec03de013
Manifest9276a72e9b7cba594e03f835bb51dd62761e6378a20b10e1bbb62a7a027a2b27

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
Signature4Hup+heod7zPh1cxirfZpMaYSk+ec4BRXdEXBsjeoW4bSgssNWZUMgvgEk/ywIV5a0ERv1dO9gHMJCLXxQ6yCw==
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

2026-09-17T11:01:59.498477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050023
observed a8c5f49de8a197515f144c077276c94d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:59.479195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050023/manifest.json
observed 9276a72e9b7cba594e03f835bb51dd62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:59.461221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050023/publication.md
observed 0aaa597f7446999c858a7e1e052757de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:59.439711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050023/publication.txt
observed 620d9b20debd00cefadd0ec8dad5337a...
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.