OpenTechnical

OT-2026-000065339

Publication integrity record

Two bellows 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-2026-000065339) never changes.

Identity and time

Publication numberOT-2026-000065339 · never reused
Internal UUID01a0ae8e-1dfa-75f5-8683-2595791e8c5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065339
StatusPUBLIC

Content hashes

Canonical textedab9725060d06683959bb001473ebbb350182f84a38e8082a7dbc5be2f1fcd0
Markdown00d0a21d6289f9a205e2e5d5eaba2660c484a83c158d9d27dad349e217362d6c
PDF
Publication page47411ba67ec6c2a0c0fee3c33b9572e8041d4b737cb4a329bc608dcd0a6091ce
Manifest09206f89ff497306172f3b56d2dae77e11ffcd8cb5f209f3960ee332ac758547

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
SignatureHxJxBT4FRpnerVjaO1L+aa/yYQI9iI8qpMxS3JIf4a/Y2DdwnDYsIhCXLvkF6tllSVBObwcQy1oYt4X/jIW6BA==
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

2026-09-17T10:35:19.293561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065339
observed 47411ba67ec6c2a0c0fee3c33b9572e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:19.278150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065339/manifest.json
observed 09206f89ff497306172f3b56d2dae77e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:19.262457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065339/publication.md
observed 00d0a21d6289f9a205e2e5d5eaba2660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:19.246787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065339/publication.txt
observed edab9725060d06683959bb001473ebbb...
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.