OpenTechnical

OT-2026-000036543

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump 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-2026-000036543) never changes.

Identity and time

Publication numberOT-2026-000036543 · never reused
Internal UUID01a0ae77-46e6-7cd5-8eec-4be82f928a8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036543
StatusPUBLIC

Content hashes

Canonical text74d4eee32cfce484475c42faae38e8100f7dae370d1ada5b0c13dbdca62b3797
Markdownbd18eecb4fbb0fc45280bdfb7e09d458191d9e546c3de9882d024d503b18d949
PDF
Publication page529b972e6d810a4490fb7f6536e5e55c2c794afab410eda01f2ab424caac049a
Manifestba5cbb05f5638609ce3bcd9b3622e181018fc06638279d3783e5ee6152196fef

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
Signature4JxgPLCc9VEDAzkzMTB7WIc3a2aE5G+Sg+wTdz5mObnTD6AAJ871yhSnnPeWArzTkO41iUukssWYjCP8TXr0Ag==
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

2026-09-17T11:25:45.730934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036543
observed 529b972e6d810a4490fb7f6536e5e55c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:45.714024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036543/manifest.json
observed ba5cbb05f5638609ce3bcd9b3622e181...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:45.696113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036543/publication.md
observed bd18eecb4fbb0fc45280bdfb7e09d458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:45.678532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036543/publication.txt
observed 74d4eee32cfce484475c42faae38e810...
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.