OpenTechnical

OT-2026-000032306

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000032306) never changes.

Identity and time

Publication numberOT-2026-000032306 · never reused
Internal UUID01a0ae75-106d-7398-a4aa-f95b1855d049 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032306
StatusPUBLIC

Content hashes

Canonical text31d8b2f9e41e62c51a32c839abb8cbdcb23d31496f6cd27aaf61f97941be9d60
Markdown4a24c85a476547b19b3f69d3ef53a43a1a5ebf744d30cb2423e2d6f2e99eb969
PDF
Publication page5a3d9eb12bf9e638dba81d2ed874d5900b3711c739ab234086a13231d27632a8
Manifest97cdfc5a981453f623187f4bcb3e91cbf0a52952047a9e2a09b5c8a847158700

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
SignatureKXjZcYKH7soJ+vU/V0sLieWM7lB+SB8s4m688T+C4wEtX06YaOmEGeIX9UpzRMeBDXYkrdFKdgB7L37XsShPAg==
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

2026-09-17T11:33:08.335315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032306
observed 5a3d9eb12bf9e638dba81d2ed874d590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.282715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032306/manifest.json
observed 97cdfc5a981453f623187f4bcb3e91cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.263024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032306/publication.md
observed 4a24c85a476547b19b3f69d3ef53a43a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.204467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032306/publication.txt
observed 31d8b2f9e41e62c51a32c839abb8cbdc...
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.