OpenTechnical

OT-2026-000076427

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed blow-off 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-2026-000076427) never changes.

Identity and time

Publication numberOT-2026-000076427 · never reused
Internal UUID01a0ae94-6a71-79e2-8479-ac6d69a160d7 · 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-2026-000076427
StatusPUBLIC

Content hashes

Canonical textc8a480f7aa709210c70facdf624789f266e1609f8630da2531274acb32065192
Markdown8e37ffeb36599a084593cde5cd3835532e5ff0ced424a48926c03609df60818d
PDF
Publication page63ed4b0e915f5059b46ee3fd21719f905cdd2f6512b4467f57e972dbf0cfdb24
Manifest89deb3ede041a91b0cd40593e3a49e2d67785ab65a61eeb79202b4a4ff2d876b

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
Signature23XtnlDz9b0XABYNVhEVfnu+dJKoSR2eOEmqpy7AcjoWI1tss1OgOcI9GdSc54DyhU+goftcC4yEQpD7M8V5Aw==
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

2026-09-17T10:12:25.980689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076427
observed 63ed4b0e915f5059b46ee3fd21719f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:25.963711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076427/manifest.json
observed 89deb3ede041a91b0cd40593e3a49e2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:25.946292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076427/publication.md
observed 8e37ffeb36599a084593cde5cd383553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:25.800735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076427/publication.txt
observed c8a480f7aa709210c70facdf624789f2...
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.