OpenTechnical

OT-2026-000007203

Publication integrity record

Vacuum cup gripper, per zone isolation, two stage ejector, vented after set down, silicone cups

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-2026-000007203) never changes.

Identity and time

Publication numberOT-2026-000007203 · never reused
Internal UUID01a0a976-6acc-749c-af19-62c2768e693d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:05:05.231659Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007203
StatusPUBLIC

Content hashes

Canonical text14998cbe2397517b762648e42549f1bd5ceeb5bdc8d9b4457eec88ffb2f95939
Markdownad42edf96528b0e0a346840642ed4c194954df956f8b3839d640f8f8422af117
PDF
Publication page7e41b3e1c70be870f3e0c5d0f8eefa296b51c9535cf8d6557fd82865e5e1955a
Manifest4ced67fd461d67ecbbe08e72b78f4d4f110159edbd987a9962f426bcfd5ec50f

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
SignatureDQqj3PZFQIFzlr8uiitGjORTSlviJPfuvGzjYjjIvIGnhgeoBkUaGimkG94N2/w+Gu5isETLTzidnWZTzE/UDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:16.240957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007203
observed 7e41b3e1c70be870f3e0c5d0f8eefa29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:16.228842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007203/manifest.json
observed 4ced67fd461d67ecbbe08e72b78f4d4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:16.217909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007203/publication.md
observed ad42edf96528b0e0a346840642ed4c19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:16.206767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007203/publication.txt
observed 14998cbe2397517b762648e42549f1bd...
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.