OpenTechnical

OT-2026-000042792

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, pulsed blow-off after 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-2026-000042792) never changes.

Identity and time

Publication numberOT-2026-000042792 · never reused
Internal UUID01a0ae7a-c0d0-7659-b14d-199b138ea47b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042792
StatusPUBLIC

Content hashes

Canonical texte891faf3d0be79e801e007c67fd79d965eacf67941e3714cd8513d5497a2420a
Markdowndf8423e9effaa92b560e3fb679217aae44e8097af8186e995c9708b787df8900
PDF
Publication page9f543bfce52693bceac380963ea05cbfb47522832d3cdcb323e89b67e852a42d
Manifestac1ea6d501b21840710b120f83115a3c1cd321227146ad8bf552056af8f3eca3

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
SignatureftqPZgHHkyASnGNJvm8JEV3TQWWIy0KfKseAwZXbhIuibXcKKdf4NSD3vt4s9siIlnibQaBCnHwfcnpnWvNAAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:15.524026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042792
observed 9f543bfce52693bceac380963ea05cbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:15.503601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042792/manifest.json
observed ac1ea6d501b21840710b120f83115a3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:15.483575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042792/publication.md
observed df8423e9effaa92b560e3fb679217aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:15.463045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042792/publication.txt
observed e891faf3d0be79e801e007c67fd79d96...
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.