OpenTechnical

OT-2026-000067912

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000067912) never changes.

Identity and time

Publication numberOT-2026-000067912 · never reused
Internal UUID01a0ae8f-c4fc-72af-9f34-5b20ef140ceb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067912
StatusPUBLIC

Content hashes

Canonical text10ff299dfa0d3a29129c88af573dfc37c108711dd6067c082072661bb628f7ad
Markdownf18de376ceea200017b36fa2896c226ed009c5ea5fc09d427c177eb1afc313f4
PDF
Publication page8d854142d1cf2a1307f1519377b3341be9965c4bfe8478012289698fe6392fce
Manifest27a2edc35c0c2b23e190f3e644213b592b0bc987ec23495a17c2aa5f05d2f6f0

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
SignatureTQBuiPIqr3Q00ArCSM8HSRxmy2NEo0GF6Rhoz9haho9PjFO0XZSSXGEsTQUbv/FDAdih6BgpUgy/WJGdApeQDQ==
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

2026-09-17T10:30:19.041816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067912
observed 8d854142d1cf2a1307f1519377b3341b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:19.023310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067912/manifest.json
observed 27a2edc35c0c2b23e190f3e644213b59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:19.003433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067912/publication.md
observed f18de376ceea200017b36fa2896c226e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.984985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067912/publication.txt
observed 10ff299dfa0d3a29129c88af573dfc37...
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.