OpenTechnical

OT-2026-000085559

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000085559) never changes.

Identity and time

Publication numberOT-2026-000085559 · never reused
Internal UUID01a0ae99-aaac-79be-8118-c2014494c79d · 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-2026-000085559
StatusPUBLIC

Content hashes

Canonical text6b4722e2dcd1c9e43c07242fccbd076be0186bb18ed67df3cf248d3ee6072277
Markdown553db3cafade466db37d8c378e7bb4dd4aabe8fa65bc0b3f47ed2740346b0de7
PDF
Publication page6f147dd503a02d5472128ea97f49aa9612321dcf017f24c697bc169ad35fa6b0
Manifest6cc8ff7cf3b37e2770a55079e1649c13fdedf83366cb959c4ea6b3b498cbd5d5

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
SignaturecKp8ZHTvUuMdZzdmtLwWwDH1y1sqtIma+wToEDvB+OEqmHsv1/SuGTuIBet9Yz67BGeF3xpOaZlHgq8FmfErAQ==
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

2026-09-17T09:54:22.765954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085559
observed 6f147dd503a02d5472128ea97f49aa96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.749501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085559/manifest.json
observed 6cc8ff7cf3b37e2770a55079e1649c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.731664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085559/publication.md
observed 553db3cafade466db37d8c378e7bb4dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.713043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085559/publication.txt
observed 6b4722e2dcd1c9e43c07242fccbd076b...
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.