OpenTechnical

OT-2026-000033959

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, supply line 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-2026-000033959) never changes.

Identity and time

Publication numberOT-2026-000033959 · never reused
Internal UUID01a0ae75-df0b-7d59-9b8d-716c7f385f49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033959
StatusPUBLIC

Content hashes

Canonical text360635055a7a0256f5d2de58e1b5e70b14d57b14aa0d79044a4c7bddcef0ebba
Markdowne09796233e6e6491f8bc0ac8fe5d18f6a3b091e383c9f1f4eb1bfd97265a9972
PDF
Publication paged72168469289823a9576dc7534245d0988837bd2bceca8b74469e9bb5df5031f
Manifestdf9a90fecac845d010e5cd9d842ba33dbadc3d799d114c36f9985622f1334f74

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
SignaturekumG9VN3xvSpM79q/cjBtsAZ1b91YpSsgiaX/bGMJCFfu1p8qhJXMJ3JT7BNeb21SZiFHHydW0siDfptJwJ3BQ==
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

2026-09-17T11:30:05.148375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033959
observed d72168469289823a9576dc7534245d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:05.127116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033959/manifest.json
observed df9a90fecac845d010e5cd9d842ba33d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:05.109384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033959/publication.md
observed e09796233e6e6491f8bc0ac8fe5d18f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:05.087017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033959/publication.txt
observed 360635055a7a0256f5d2de58e1b5e70b...
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.