OpenTechnical

OT-2026-000087686

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, 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-2026-000087686) never changes.

Identity and time

Publication numberOT-2026-000087686 · never reused
Internal UUID01a0ae9a-cd54-7e9d-9381-d93b82bc0702 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087686
StatusPUBLIC

Content hashes

Canonical textb67abb6afd07f80030a595e2b043a648b40e2100da50b9bcbb35665c9f597c90
Markdown153234e5f9febd3684b6c49941809b02a31a3064d0c2e33f97ae7db57875f2cb
PDF
Publication page2d3de405f53d39addd129bbeb8202286942ddc5f51b713d60a330c3d6691eb6b
Manifestc062010b129db850cc3debe010a8b94e79509f99ed51ed2c0c0ddac63d1a1cb0

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
Signature7vy0QjHWl13t7cxOnYFaLlR98jVo35J0tBuA/eCc+JvhmN3Xo7wrSQk3E4q5rmQK0F27mh55VeSt3dezjiWpBw==
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

2026-09-17T09:51:08.051816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087686
observed 2d3de405f53d39addd129bbeb8202286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.036719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087686/manifest.json
observed c062010b129db850cc3debe010a8b94e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.021717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087686/publication.md
observed 153234e5f9febd3684b6c49941809b02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.005189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087686/publication.txt
observed b67abb6afd07f80030a595e2b043a648...
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.