OpenTechnical

OT-2026-000036185

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000036185) never changes.

Identity and time

Publication numberOT-2026-000036185 · never reused
Internal UUID01a0ae77-01cf-7aa8-83d2-c66cd3c80c75 · 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-2026-000036185
StatusPUBLIC

Content hashes

Canonical text7981ea3e85d52625cdf0d32afc1a99c83c83d4f96da2b9434dcdb12e01696bc0
Markdownedeff925b22374ea4df244aa566e80f7e03fd1f66ead9f7314a308408209ddc2
PDF
Publication pagef7571a740c487e71fcdb2d6c87eda486e4384075b299e70b86601f277f098125
Manifest6ae6066185619db4c8229cb34390787a9d9bdb386aa9d8e765622ef1c8664930

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
SignatureL+FcZEpiqpk4/tYP8yKmuFN3OQIjHbQ6zKNRl2mVY1GLNHqeY2EkA/fCt9LElYOHKs7nQPTiuS5sqrHnAkqXCQ==
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

2026-09-17T11:26:24.992657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036185
observed f7571a740c487e71fcdb2d6c87eda486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:24.976559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036185/manifest.json
observed 6ae6066185619db4c8229cb34390787a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:24.960009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036185/publication.md
observed edeff925b22374ea4df244aa566e80f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:24.942508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036185/publication.txt
observed 7981ea3e85d52625cdf0d32afc1a99c8...
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.