OpenTechnical

OT-2026-000075173

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, manifold 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-2026-000075173) never changes.

Identity and time

Publication numberOT-2026-000075173 · never reused
Internal UUID01a0ae93-f1ff-714d-80a0-01ed30f528cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075173
StatusPUBLIC

Content hashes

Canonical textc76d8e2c620c05b8a341162b1d11c5b443c04401e64dfa3a99ac6902d53b968a
Markdown932fe72c9c89e0c15f81732fc5853dfc16e34a06ce92e73b976ea0e8b4086c30
PDF
Publication page81d7ced56d536c226e90f65eab677c69ef30d6e63f01af8b8082cff0156a6a52
Manifest06ebd8e5688259b2d6616305e6ce72f5d232260b560a996f819a0d387725fa70

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
Signaturet5Aj7IPEKX/R9SAbNLM8sVoRmqf4mvDu/YvH7gQzxxPBZtFQWVJLuoU20q72vJr+QftnmAC1Gr5CajtUpoT1DA==
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

2026-09-17T10:20:25.293274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075173
observed 81d7ced56d536c226e90f65eab677c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.275183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075173/manifest.json
observed 06ebd8e5688259b2d6616305e6ce72f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.255458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075173/publication.md
observed 932fe72c9c89e0c15f81732fc5853dfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.233512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075173/publication.txt
observed c76d8e2c620c05b8a341162b1d11c5b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:33.280288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075173
observed 81d7ced56d536c226e90f65eab677c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:33.258115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075173/manifest.json
observed 06ebd8e5688259b2d6616305e6ce72f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:33.238514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075173/publication.md
observed 932fe72c9c89e0c15f81732fc5853dfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:33.218794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075173/publication.txt
observed c76d8e2c620c05b8a341162b1d11c5b4...
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.