OpenTechnical

OT-2026-000068771

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000068771) never changes.

Identity and time

Publication numberOT-2026-000068771 · never reused
Internal UUID01a0ae90-6dcb-7112-9372-ef0c0215debf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068771
StatusPUBLIC

Content hashes

Canonical textcc3e281af18fc0978134b2de45c4824191348cb972b467d13c420df237a51052
Markdown5cddd18ef80363dcc48e2e8dab38a7f9c5dd624799217647cffbdb149a93d4d4
PDF
Publication pagebf2340c6beb6a22eed9c95f123f326ddb8830723e5704540637696c1976e0096
Manifest2cf292c4be50bbf12343b4ddd442595c670ba8d78acc8071aa4b261ef97f37f6

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
SignatureugQwySQBxrg3JJZklNcZYQBDSJR1zwboT+hNp9y6KuGvJG5UfyvJK1U3au8HNiKy/qM2rF0/SCODzgWaxxr6Cw==
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

2026-09-17T10:28:33.601959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068771
observed bf2340c6beb6a22eed9c95f123f326dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:33.584095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068771/manifest.json
observed 2cf292c4be50bbf12343b4ddd442595c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:33.567527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068771/publication.md
observed 5cddd18ef80363dcc48e2e8dab38a7f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:33.550494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068771/publication.txt
observed cc3e281af18fc0978134b2de45c48241...
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.