OpenTechnical

OT-2026-000043292

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, pulsed blow-off after 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-2026-000043292) never changes.

Identity and time

Publication numberOT-2026-000043292 · never reused
Internal UUID01a0ae7b-327d-7997-b8cb-01a7513e4145 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043292
StatusPUBLIC

Content hashes

Canonical text02a528e9768bc3717ef037c4a7d1297bf964d91f0e5025404bd77effc9078cfd
Markdownc4b065563b0588da5cc55fad807177c0066edd90aac0e14694505a98d39e05db
PDF
Publication page45f3715b927323faa082b15543a2050790180bdb489f254dd71dd5420e5ccf0a
Manifestac97ea4f35eddaaf0db5e462b63e8fe21b1c4a8f86f03ec9389b76fba5797afe

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
Signature3J423ayQbK7R9KAeA0wbKG1+eoEtFETMuMYhSbD0SWLjKfMNlMGj/DSnSSvkFEY1BlXI0wxunLtPwedXsV/VDw==
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

2026-09-17T11:13:47.217028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043292
observed 45f3715b927323faa082b15543a20507...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.198426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043292/manifest.json
observed ac97ea4f35eddaaf0db5e462b63e8fe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.179648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043292/publication.md
observed c4b065563b0588da5cc55fad807177c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.159368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043292/publication.txt
observed 02a528e9768bc3717ef037c4a7d1297b...
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.