OpenTechnical

OT-2026-000078581

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000078581) never changes.

Identity and time

Publication numberOT-2026-000078581 · never reused
Internal UUID01a0ae95-7c29-724b-aa5f-b33768a8a915 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078581
StatusPUBLIC

Content hashes

Canonical text3653cf49d8c68f6b7619307b8b393c79a67b050aa244f40ff04e19288d7205d6
Markdown32ff4890aa5c1055db6c13e775ce38baf3f15569c1ad709bb5c20819baaba324
PDF
Publication pagec7cab4a0f35e6a0500d1732f8fb1962afd1073f9cd9ead6ae8529f2068f48071
Manifest7135ae5c46a0de8c04b46f78776b4ac7ad6ace44e5a5143dbc19043169a04096

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
SignaturetLHppD0auruEDCXY4YgjWTGnvS4EGe3oWQtCMt1Vk/zSuiactUHRUdr6qGlYJn1WgMNelWYI+I0hq5C3RX02Cg==
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

2026-09-17T10:06:36.458726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078581
observed c7cab4a0f35e6a0500d1732f8fb1962a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.439049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078581/manifest.json
observed 7135ae5c46a0de8c04b46f78776b4ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.413039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078581/publication.md
observed 32ff4890aa5c1055db6c13e775ce38ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.390061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078581/publication.txt
observed 3653cf49d8c68f6b7619307b8b393c79...
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.