OpenTechnical

OT-2026-000097328

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, sustained 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-2026-000097328) never changes.

Identity and time

Publication numberOT-2026-000097328 · never reused
Internal UUID01a0aea1-01cb-79b2-931f-3d34a838fdf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097328
StatusPUBLIC

Content hashes

Canonical text23e0baacdba6d6bfac36cf78831e19e72f5f7d9039f6410ce4f7f09c764c9f24
Markdown43a5309f55a11609efbb4b22a1b9161873f4873086fdfd27c906b18a77b9e00d
PDF
Publication page78c0f4e9aa4d06f865da902b18ed50a91ea7ccf1800bfb8f6ecf51abcaf38ce0
Manifest8fe348608427a9eb554ba11a9193b4d0cd60783504fe2d21fd02d356adac37b9

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
SignatureVabW3dAuy9FEtzow0/2pcnSsN2jqqXwSu55mGXCxMLoDUz+Duq/zJwQDKXfyb1hAdl27iopT9HUttCm5VwPRAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:35.625820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097328
observed 78c0f4e9aa4d06f865da902b18ed50a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:35.606388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097328/manifest.json
observed 8fe348608427a9eb554ba11a9193b4d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:35.589993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097328/publication.md
observed 43a5309f55a11609efbb4b22a1b91618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:35.573812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097328/publication.txt
observed 23e0baacdba6d6bfac36cf78831e19e7...
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.