OpenTechnical

OT-2026-000072695

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000072695) never changes.

Identity and time

Publication numberOT-2026-000072695 · never reused
Internal UUID01a0ae92-89d9-7621-8850-6e7b2bcb788b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072695
StatusPUBLIC

Content hashes

Canonical text5a058bb495c7dd6358fb787c36dc29f0ba578917e39dbd382cb00be256f11a2c
Markdown93e3bc05af9f412e952252480ef1736675eca0d03ad6829fbf43e465101fc23b
PDF
Publication page3fed0c42b8d4417ab91b4e8ad97ee2ceee96d6a7ea6927e3f85758e788369ecf
Manifest430afdab4a5acf9c4b9a39c6d8171199ae70d7fc27f52f46f6db312462a94e46

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
Signature5CnrXne5Sym1YvkD2tTy/4EP3lxZFzZvOugNjB4h7WSUmFTjx4qZR+ZsL4Owup4+beWuQ3XTofxR/acCuLfCBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:35.197269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072695
observed 3fed0c42b8d4417ab91b4e8ad97ee2ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.180929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072695/manifest.json
observed 430afdab4a5acf9c4b9a39c6d8171199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.163996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072695/publication.md
observed 93e3bc05af9f412e952252480ef17366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.144135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072695/publication.txt
observed 5a058bb495c7dd6358fb787c36dc29f0...
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.