OpenTechnical

OT-2026-000103246

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum 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-2026-000103246) never changes.

Identity and time

Publication numberOT-2026-000103246 · never reused
Internal UUID01a0aea4-be3f-78ee-9c6e-7538e796320d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103246
StatusPUBLIC

Content hashes

Canonical text14f32f3419429daee9036857afdc81a052b1c3d84cc938f759af0a8c14eb0883
Markdownf40c1bae8e04aab1f157bfb850b457509f77ee7919f0d1aa731532a6356e546e
PDF
Publication page64e131c813e076c6b28162d57616b6da7b5fb35279c007d2ad2a765f257f80c3
Manifest5b87cabf5c96f1c4b1f97bf728c90585046fb4bbf3d2fb0df05ee564709282ec

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
SignatureM9nvPaNVP1vpFn0iuLgem12VqHyqtUug3EaXfZkGQQFcPtjT+V0W6ggB1hZbpH5+sGB1F1TnnC4wYG0D0HMhBw==
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

2026-09-17T09:23:28.903540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103246
observed 64e131c813e076c6b28162d57616b6da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:28.885644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103246/manifest.json
observed 5b87cabf5c96f1c4b1f97bf728c90585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:28.865521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103246/publication.md
observed f40c1bae8e04aab1f157bfb850b45750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:28.846660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103246/publication.txt
observed 14f32f3419429daee9036857afdc81a0...
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.