OpenTechnical

OT-2026-000091963

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000091963) never changes.

Identity and time

Publication numberOT-2026-000091963 · never reused
Internal UUID01a0ae9d-43bb-7001-8c2d-128a29c51cd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091963
StatusPUBLIC

Content hashes

Canonical textd8e13f40209a32f9501799ee6c7a7b9e6ffd429bc65b768381ee7fbb168719f3
Markdownc8899081a7c96ac3888ec465d48188fa4680a7051f3c575b69741946e25d908c
PDF
Publication page7e77ccebe1735129ca36c4f71dab84033ff403c883ce16e545e8c7143ad4bc96
Manifeste5006cff9862aafe9291bab881eba477ed4ffff87bb71df1d26c81d7af4ba484

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
Signature1pTDVE6LeChi8lEyKZu3Nlbt/dx8JngiR6hFP9D2dHlqEVB4paFBwXhcI8QGBGid3+NaPKZXhJ5ujrhokh7zCQ==
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

2026-09-17T09:42:54.945952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091963
observed 7e77ccebe1735129ca36c4f71dab8403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.927149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091963/manifest.json
observed e5006cff9862aafe9291bab881eba477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.909826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091963/publication.md
observed c8899081a7c96ac3888ec465d48188fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.891178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091963/publication.txt
observed d8e13f40209a32f9501799ee6c7a7b9e...
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.