OpenTechnical

OT-2026-000067525

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000067525) never changes.

Identity and time

Publication numberOT-2026-000067525 · never reused
Internal UUID01a0ae8f-6bda-7c7b-8dee-7ed01a667684 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067525
StatusPUBLIC

Content hashes

Canonical textd3547994a3f489348731a18e081cdf99901f3b6fb67047e3eed7ae54c8b76eb4
Markdowncc8faa550aeda466aac026c3e6aa8656cea8b75fdc0aa3344a51e47afe694afc
PDF
Publication pagecb665c6962158c3175615d8840dac9ece334dfaf4cb9d9e4c2f49b7ad5fd3eaf
Manifest59eb2b30a628866c7d88c0fe99bbb8f38e97c381f51a5d171275e6a42e12acea

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
SignaturevHFTK3t0yWbnUHuObWXWFS0awIMArDQR6o8iSZTVSLZfGVP5Ky8R+1UsfrDqnC787/IG211XHrcza9mPndjsDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:49.576458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067525
observed cb665c6962158c3175615d8840dac9ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:49.557762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067525/manifest.json
observed 59eb2b30a628866c7d88c0fe99bbb8f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:49.540324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067525/publication.md
observed cc8faa550aeda466aac026c3e6aa8656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:49.522155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067525/publication.txt
observed d3547994a3f489348731a18e081cdf99...
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.