OpenTechnical

OT-2026-000090052

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold 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-2026-000090052) never changes.

Identity and time

Publication numberOT-2026-000090052 · never reused
Internal UUID01a0ae9c-428e-7592-a330-e211dd2901f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090052
StatusPUBLIC

Content hashes

Canonical text0db7b6d8519fdc2e61a81ed4aa41c85887f3e8e09da1536bbe0a62187047c68e
Markdowne236015aa30f7bb55986f41303477fc04a0f78c1cdf048948114a21b9944739d
PDF
Publication page1b22cc56dfc8a45fadfa68b86b7763a8c5e2533e08c01286c59539601b2d2e0c
Manifest03b8a1158d1ff0d332daf88ccfd84fd0c88429ada908d59db78a3edf7927ffc3

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
SignatureA/1dGgSi0JMczlHhCz1jtuyPFItNNMi61cLBByoGCQBOVywuydJ07fK+0fNETNMw2LilewyaHxzhRipaMOf2DQ==
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

2026-09-17T09:45:27.537304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090052
observed 1b22cc56dfc8a45fadfa68b86b7763a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.521499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090052/manifest.json
observed 03b8a1158d1ff0d332daf88ccfd84fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.503654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090052/publication.md
observed e236015aa30f7bb55986f41303477fc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.485671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090052/publication.txt
observed 0db7b6d8519fdc2e61a81ed4aa41c858...
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.