OpenTechnical

OT-2026-000042795

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000042795) never changes.

Identity and time

Publication numberOT-2026-000042795 · never reused
Internal UUID01a0ae7a-c0d0-76a9-90d2-f47c747845ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042795
StatusPUBLIC

Content hashes

Canonical textc4cbb2dd8974a581d697f0e540e21508ee990e461f3e329d87f70ffe5462f37b
Markdowne3b2e34b52244a64c65117d7359377ccc15ea98e7b37ec552001543172407315
PDF
Publication pagef118ba9205c5311dd44d4c9676abe44097871772cda113cafd6daded673325b7
Manifest94d1cdfcd51bf0d960948457e46c7f05d1df376037ada4c812d65509f182c9b4

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
SignatureXBAILX8EvQyD50Js39VHtNa6eFcXrXFpgni4zpP7D/h0JuEx0PQns7y3jn0CZjBF0XnI3Y9v9uGyg1IZ8BeWCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:15.832444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042795
observed f118ba9205c5311dd44d4c9676abe440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:15.812553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042795/manifest.json
observed 94d1cdfcd51bf0d960948457e46c7f05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:15.791307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042795/publication.md
observed e3b2e34b52244a64c65117d7359377cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:15.772156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042795/publication.txt
observed c4cbb2dd8974a581d697f0e540e21508...
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.