OpenTechnical

OT-2026-000074166

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000074166) never changes.

Identity and time

Publication numberOT-2026-000074166 · never reused
Internal UUID01a0ae93-7178-70ee-adb2-a92d85390708 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074166
StatusPUBLIC

Content hashes

Canonical textada7f74d3894f4a247a70c7a11c0c7b819e04496c90709dbc8ae5a3e229e1486
Markdown73fd725c6eeaeaaee8b42ba490a777961463f30d6e1db942a161a970d2464cc9
PDF
Publication page510d15fb150270a5c043f24a866b91c389f4ab6a7ea4c712637912cca250baad
Manifestecdf1e785381cbb3a470b6f05995cade219d9074ab19c1fc9441ce1524bfdaf4

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
SignaturewiCOfujnnW48j9g23uzKi4pNH81PvP2rLsM0r0GYdOulxT0QBZHokth/3lWAxqecD2NfDj1yvbIYuEDMrCHcBQ==
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

2026-09-17T10:19:00.951410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074166
observed 510d15fb150270a5c043f24a866b91c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.934792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074166/manifest.json
observed ecdf1e785381cbb3a470b6f05995cade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.917258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074166/publication.md
observed 73fd725c6eeaeaaee8b42ba490a77796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.899890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074166/publication.txt
observed ada7f74d3894f4a247a70c7a11c0c7b8...
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.