OpenTechnical

OT-2026-000072608

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000072608) never changes.

Identity and time

Publication numberOT-2026-000072608 · never reused
Internal UUID01a0ae92-89d9-76ea-bbbb-efd78da318f9 · 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-2026-000072608
StatusPUBLIC

Content hashes

Canonical textfed367ffdfa588a0ea545ad011b9e339f533aea63403b3b2487c90db61e620d8
Markdown4182377881291d2ee3bcabcc6a6e8031a8440556dbd1b21ee2e30f287e194432
PDF
Publication page82000ed560be1a9a0381e827c2b1255d553731dee7034f09fab9ec18efaae887
Manifest9d446c06cf933ee27c080b642e24e317534243b1b82675d29b9c5d262000be24

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
Signaturetn9zToKd2uRBmioa5/8A7RE1kOUJSlYOYQ9vrCEoKeRe3QbWg33m9wPNEiScG+btbeaNG/20xoWnaoXwJmP9Dw==
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

2026-09-17T10:22:27.371755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072608
observed 82000ed560be1a9a0381e827c2b1255d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:27.355987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072608/manifest.json
observed 9d446c06cf933ee27c080b642e24e317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:27.338331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072608/publication.md
observed 4182377881291d2ee3bcabcc6a6e8031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:27.320612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072608/publication.txt
observed fed367ffdfa588a0ea545ad011b9e339...
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.