OpenTechnical

OT-2026-000076174

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000076174) never changes.

Identity and time

Publication numberOT-2026-000076174 · never reused
Internal UUID01a0ae94-6a6f-742d-bb35-94daa304c117 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076174
StatusPUBLIC

Content hashes

Canonical textb03f77fde4776afd9b1bc0aa2fdf0008b9068b75b3ed912d8e37fd859fcfa5e4
Markdown05b719c39e4adde8e0bc650e2558eef544339e3de7a7b0c44817e9aa776ab70c
PDF
Publication pageea7e31870d7ce2309f8c7ab5194504be018ae6f8a82e0b24a19c169f7fd891db
Manifestc454203f9357c8f95c21ddfe32b5684aef5ba131655085f9a3fe1d5e66ee2ddf

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
SignatureMDgrezX5phBe4nLqPpFa2S0D9XfUOdWVgZR9aRH3wFnIfWiZbG09c1MmcU19bCKHdu15HPQOpynUTk7vzfuKBw==
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

2026-09-17T10:11:26.060495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076174
observed ea7e31870d7ce2309f8c7ab5194504be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:26.042914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076174/manifest.json
observed c454203f9357c8f95c21ddfe32b5684a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:26.023798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076174/publication.md
observed 05b719c39e4adde8e0bc650e2558eef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:26.006196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076174/publication.txt
observed b03f77fde4776afd9b1bc0aa2fdf0008...
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.