OpenTechnical

OT-2026-000074919

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000074919) never changes.

Identity and time

Publication numberOT-2026-000074919 · never reused
Internal UUID01a0ae93-ac2d-7df7-990c-aea067b1cb10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074919
StatusPUBLIC

Content hashes

Canonical textc6588f3db847b32df2b3b9dc57a5c9715666f6a4d3d178d872a03d8bb28ed044
Markdown95c773a301803b252dd5429f285fd68c5edabb3f740d2e2cf77dd5e8e7b74095
PDF
Publication page5bfdef87ae6a2c8ae88e87d20dc8abf11c70f887c0d0d28acede79987fd95e5e
Manifest12ce9fd5286ff2f7a2a5180a7ac2eda9574ab9399584a5a3f7b6803f08e872ea

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
SignatureQsuZCVdjFO8CAZzJXA8Dc8dFSj9cTsQhvh1so270Z+57Rj0bmyw1xusLYa7QVAnUCbQ+j1lLsQzsY+RvRym6BQ==
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

2026-09-17T10:18:38.714845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074919
observed 5bfdef87ae6a2c8ae88e87d20dc8abf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.698443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074919/manifest.json
observed 12ce9fd5286ff2f7a2a5180a7ac2eda9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.682569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074919/publication.md
observed 95c773a301803b252dd5429f285fd68c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.666093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074919/publication.txt
observed c6588f3db847b32df2b3b9dc57a5c971...
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.