OpenTechnical

OT-2026-000015318

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000015318) never changes.

Identity and time

Publication numberOT-2026-000015318 · never reused
Internal UUID01a0ae6d-ef49-7798-96f6-e6b75b48fda2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015318
StatusPUBLIC

Content hashes

Canonical text438c688c933d5a97e0e37032d522c9864dc1e096bf866d0de6cc77326e1aff22
Markdownab0aaf8f063f041b3dfd09eaea7da34395fafa7e99d2e5f27213d0f3c4c97206
PDF
Publication pagefc991c38f99293e024f94d0ea81cafd45fa97ad61357075adb83ac3468a9000f
Manifestc9580e4a1c3baf07f9c1246e5399cf6fea88dbbf0777614f5d2a8cab23d124c1

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
SignatureZg/Ym9/wEsq3Z5LjawJl4TL2kvLIoKFrj6Pj1Y1QWyFHSLPODInv1MPoFr/32gK0Y5PFnjlTtwBdXT79VgJfDA==
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

2026-09-17T12:06:00.821965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015318
observed fc991c38f99293e024f94d0ea81cafd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:00.802466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015318/manifest.json
observed c9580e4a1c3baf07f9c1246e5399cf6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:00.784415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015318/publication.md
observed ab0aaf8f063f041b3dfd09eaea7da343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:00.766045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015318/publication.txt
observed 438c688c933d5a97e0e37032d522c986...
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.