OpenTechnical

OT-2026-000081164

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented after set-down

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-2026-000081164) never changes.

Identity and time

Publication numberOT-2026-000081164 · never reused
Internal UUID01a0ae96-f373-7367-a91d-af71e4cc1cd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081164
StatusPUBLIC

Content hashes

Canonical text93f876a73749af5d0f897364ed1317d106facac8acc403b38e3bba6291cd7c78
Markdownc6ccdfdded3bd5d71c75c3acccd4b5ca60339af26b607042eae4a7af2d01e66e
PDF
Publication pagee081eb9e5a7bffad6133198d024cefdb27b10de75e0aadae19e433eba3388d3d
Manifest3c1ba1aab71e269fb46ae0b2e251a4eed592fcc8a7a067d37e45d84910bda4f2

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
SignatureDgb0Lzdbc0Gkty+fFew/e/Gy3HGMj4wOO+oPsgNz4eCU+bwnfMeWDqnvyvpeaIzBOuF0zqdFjXftHffLJgTaCA==
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

2026-09-17T10:01:08.184419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081164
observed e081eb9e5a7bffad6133198d024cefdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:08.167079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081164/manifest.json
observed 3c1ba1aab71e269fb46ae0b2e251a4ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:08.149842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081164/publication.md
observed c6ccdfdded3bd5d71c75c3acccd4b5ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:08.077820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081164/publication.txt
observed 93f876a73749af5d0f897364ed1317d1...
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.