OpenTechnical

OT-2026-000069277

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single 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-2026-000069277) never changes.

Identity and time

Publication numberOT-2026-000069277 · never reused
Internal UUID01a0ae90-b528-74b6-ba8c-e32f33fcc115 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069277
StatusPUBLIC

Content hashes

Canonical text7b4a5e8dde3df3d64c1da0480815296093347b729862773ad615840bfea715cc
Markdown2e1f334ccb5ccda47012846297735d513b5e8640561191ca904d87d64b55ea07
PDF
Publication pagefbbf97d2b026ac6d3dd21c7833e803104391034248df125a423577fcbcf8213e
Manifest88d869cae1d29a0e2d1dc25dee65e0d48369b86e25e4053475e6ef1715a13d08

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
SignaturetWwIhVzNqs+Q29BNTNHjuCYU5A2gep6rc6sa0hQmBagkvp1yhrn28r8DYJ3eMiEzHr7VJRboR3jtE/a/Xs1rCg==
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

2026-09-17T10:27:21.643220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069277
observed fbbf97d2b026ac6d3dd21c7833e80310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:21.625325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069277/manifest.json
observed 88d869cae1d29a0e2d1dc25dee65e0d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:21.607903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069277/publication.md
observed 2e1f334ccb5ccda47012846297735d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:21.589365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069277/publication.txt
observed 7b4a5e8dde3df3d64c1da04808152960...
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.