OpenTechnical

OT-2026-000017991

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pulsed 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-2026-000017991) never changes.

Identity and time

Publication numberOT-2026-000017991 · never reused
Internal UUID01a0ae6e-96fc-7719-85f9-f360fa0ebdc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017991
StatusPUBLIC

Content hashes

Canonical text7243a2fe3243170dd6cff9f8aac45a49e53a3e0bf6afccecb822fe98ae516836
Markdowndd6d67a44a2e5f37a113b1dde14b6a84fad19ffc23331d882349ad32ffa399e1
PDF
Publication page9d11dde3d5b113acbbd23bdc730d60c7629bf39299fbf5cee0fc541ac7dbbe77
Manifest032c1e31e22610d93b395d570b34682afc6462155d79270af0b977b3d8e7c114

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
SignaturehkBdBioZFQnlbg9EyRvLilmfgKGpP5OFknMcpW6JF6OvezdSGU5AI9lzfeYmd5I7T8nXz1QVuHxmo06Ex8kUAw==
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

2026-09-17T12:02:00.676881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017991
observed 9d11dde3d5b113acbbd23bdc730d60c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.660144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017991/manifest.json
observed 032c1e31e22610d93b395d570b34682a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.642638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017991/publication.md
observed dd6d67a44a2e5f37a113b1dde14b6a84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.625854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017991/publication.txt
observed 7243a2fe3243170dd6cff9f8aac45a49...
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.