OpenTechnical

OT-2026-000035959

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000035959) never changes.

Identity and time

Publication numberOT-2026-000035959 · never reused
Internal UUID01a0ae76-b4ca-7472-9931-af557c92cc0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035959
StatusPUBLIC

Content hashes

Canonical text9b02325c294e0ecce445579a4a7858b98aebe4fb3a3a44e377cb594596be21f8
Markdown314300b32b5c78d585137178650eca81225f7c69b08e901a02be1b728c14beee
PDF
Publication page63c09b0c8eaad8543fe699a0eaee7bf9092ad4b559abb4a64905d09884c4da58
Manifestdf36fa74779deebfddc8e67dd53438e60c59a158358dd133a13ef4f0f6bf70ef

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
SignaturepXrXS8G6nIRfWA39v0cSFvJCpLO4qj2XmDUatT5+xuyQuzwhWL/wvqb9Bb4JEmKquD8+ixw2K6SsxcCjatNAAQ==
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

2026-09-17T11:27:49.236843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035959
observed 63c09b0c8eaad8543fe699a0eaee7bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:49.219414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035959/manifest.json
observed df36fa74779deebfddc8e67dd53438e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:49.201109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035959/publication.md
observed 314300b32b5c78d585137178650eca81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:49.182375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035959/publication.txt
observed 9b02325c294e0ecce445579a4a7858b9...
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.