OpenTechnical

OT-2026-000036175

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000036175) never changes.

Identity and time

Publication numberOT-2026-000036175 · never reused
Internal UUID01a0ae77-01ce-7394-847b-94bd1fc1d3b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036175
StatusPUBLIC

Content hashes

Canonical textdeae40635e4a2456d0ea54523c3347a498a49cee2e012ff55796ec748e6f2f56
Markdown27eab72d029ab5dfa7b66506b2a80f841a9e706371aab5ce845d507933e486da
PDF
Publication page5ccfe48907fb6d713b2cc0715bb0ab86b86ef0de7b1fe5e9b24b9401a3a11270
Manifest44b32fb495e4b6c03ed9b7bfec1f52d3d1b839ce276aea9230d1f9914c31023b

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
SignatureSn8FQjjxDkeZT9tT+JseFZw1qyL8yv0KodKjtgt0DLXAhtnBXBPaN7ZiipUeNg0ltJJCNCLHaisPUdPykg71Bw==
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

2026-09-17T11:26:24.288370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036175
observed 5ccfe48907fb6d713b2cc0715bb0ab86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:24.271753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036175/manifest.json
observed 44b32fb495e4b6c03ed9b7bfec1f52d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:24.253997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036175/publication.md
observed 27eab72d029ab5dfa7b66506b2a80f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:24.236940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036175/publication.txt
observed deae40635e4a2456d0ea54523c3347a4...
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.