OpenTechnical

OT-2026-000080079

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000080079) never changes.

Identity and time

Publication numberOT-2026-000080079 · never reused
Internal UUID01a0ae96-4378-7163-ae11-31499714d933 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080079
StatusPUBLIC

Content hashes

Canonical text8ee2008528f8e9076c283d1f3e41e60882165dc02b3722e709430905d7706912
Markdownc8406c77830bcf676a350a55139ee10c1a3484bcfd153ca18327d737fded1ea7
PDF
Publication page6fc1fd002ceb018b92d55834da3594df5a50b2137921ec43f58cb65267a0701b
Manifest08ed5431e98870fa6f5c6bcbbcc28864756e4d60f2875102833ed9d58164fb81

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
Signaturevq9I5IdBwu08G11C9JtYm8AgnNviXSYFu3ImDQnNBBax1pjYCx0rE5cJKm/c1dse3YVP/RdGkMYtdQoKlznuBg==
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

2026-09-17T10:04:00.966541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080079
observed 6fc1fd002ceb018b92d55834da3594df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:00.946999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080079/manifest.json
observed 08ed5431e98870fa6f5c6bcbbcc28864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:00.929251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080079/publication.md
observed c8406c77830bcf676a350a55139ee10c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:00.912807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080079/publication.txt
observed 8ee2008528f8e9076c283d1f3e41e608...
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.