OpenTechnical

OT-2026-000084081

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, sustained blow-off before 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-2026-000084081) never changes.

Identity and time

Publication numberOT-2026-000084081 · never reused
Internal UUID01a0ae98-5b5e-74f0-aa5f-da7cb8ff3bd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084081
StatusPUBLIC

Content hashes

Canonical text61157b1be0029c527fc51b23f3c139d5afbaab2b07de6b2ea94f9c9ea0af7bd5
Markdown489009b1d18750039b01e3ecbb0376cb98df1314bafcbf8d8d817275e554b087
PDF
Publication page1250710506389d131acea22800872cc9c024ec6efec4cf9ff56bcbe0b65a9313
Manifest5dc33f504021c602562acd279b546c2839afe0299170068a8fad34a8db112481

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
SignatureIf0Uowm26azs3Hfoe9+9ILafk4cPsQwRY8WBMJKz6EvDXFb9CRZy2oXWmBHMERzvL7u0xKQeRmGVoqAfFyGrCg==
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

2026-09-17T09:55:49.542968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084081
observed 1250710506389d131acea22800872cc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:49.525213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084081/manifest.json
observed 5dc33f504021c602562acd279b546c28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:49.507237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084081/publication.md
observed 489009b1d18750039b01e3ecbb0376cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:49.488481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084081/publication.txt
observed 61157b1be0029c527fc51b23f3c139d5...
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.