OpenTechnical

OT-2026-000085473

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, sustained blow-off 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-2026-000085473) never changes.

Identity and time

Publication numberOT-2026-000085473 · never reused
Internal UUID01a0ae99-aaab-7afe-b259-e3ac8b71a068 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085473
StatusPUBLIC

Content hashes

Canonical text1c088d80a042dd0e191a55f4851165ecacd7a8cacd5f69fbd252f06f98d36cc2
Markdown267ad84972bf0360189c9e76855fe58b0ecb45fe877cd9a1be9540246cc70478
PDF
Publication pagee0c5eec1dbb7d70b0152264ea0c3bd317bb1f4d1a8bc048ca6e818662bea0591
Manifest862f988e1ad0c6da8861c76d533049c754f9f1aec08033f9c322207c27b9cbe5

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
SignaturezEDHKYEuW2r1nNUo7XPXiPohD/Y6tQmuhBchiQ4eF48pPIA+4rQAmm88nLZs8ztFaq9jS+gzoNUYNC0JJXapAg==
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

2026-09-17T09:54:16.124364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085473
observed e0c5eec1dbb7d70b0152264ea0c3bd31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:16.106520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085473/manifest.json
observed 862f988e1ad0c6da8861c76d533049c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:16.084349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085473/publication.md
observed 267ad84972bf0360189c9e76855fe58b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:16.065930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085473/publication.txt
observed 1c088d80a042dd0e191a55f4851165ec...
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.