OpenTechnical

OT-2026-000078183

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000078183) never changes.

Identity and time

Publication numberOT-2026-000078183 · never reused
Internal UUID01a0ae95-7c26-7758-b4a4-fcaa9ccd1441 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078183
StatusPUBLIC

Content hashes

Canonical text5efffdc01ca1e8578e0d8a9f288b8ad6deee800d66965075632259aec8fa309d
Markdown6ab62ce64a6c0ab464f23ab20dd690793889654ea16c61cc35675a1218ddbc25
PDF
Publication pagead6dfe917aaa6706b81470ab4ec61f04ab918caf500f6f9a3e6ad492dac40789
Manifest6d3ad698b499fb0f21538d0b5a0dc5a3c3fb0fd92800d4098f606ac28397c8ec

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
SignaturegQJMYc1Pe+qOBELI9o/3Pc89fHiw2CRsWKRUvKVvmRq9tpeBYvf1j/Ls5/kUABGy4/chiGfe+9voEqCdrd5sCg==
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

2026-09-17T10:06:07.659296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078183
observed ad6dfe917aaa6706b81470ab4ec61f04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.642979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078183/manifest.json
observed 6d3ad698b499fb0f21538d0b5a0dc5a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.626429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078183/publication.md
observed 6ab62ce64a6c0ab464f23ab20dd69079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.609440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078183/publication.txt
observed 5efffdc01ca1e8578e0d8a9f288b8ad6...
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.