OpenTechnical

OT-2026-000022086

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000022086) never changes.

Identity and time

Publication numberOT-2026-000022086 · never reused
Internal UUID01a0ae6f-bb5c-70c5-9dbc-f8b1794500bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022086
StatusPUBLIC

Content hashes

Canonical text10e15643d5cc3708d6d2e0b87e1d3c2ba90a1ac53768adcc5878cb275f1856ed
Markdown778270ab7b573c5e0436287e375df63d36e3a651c9b76cca0a2b1aaa37daac22
PDF
Publication page5a46b2a51de35a3ce7fc2b4925d578895776fe815d82d71a5e137a8df0aa9bd2
Manifest51c46c54ead2dc3fed2b7db3a7ce7814660c99d36d91c92096b3088b43977526

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
SignaturecZYgho/qCl1/GEdEtjimPCYQM+ZBGMp8KJsxh4YHNLJ27doncU+auvoIA8IlpGiwkRVKDhYv2/GH4wLSCZlhCg==
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

2026-09-17T11:54:46.972455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022086
observed 5a46b2a51de35a3ce7fc2b4925d57889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.952648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022086/manifest.json
observed 51c46c54ead2dc3fed2b7db3a7ce7814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.934687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022086/publication.md
observed 778270ab7b573c5e0436287e375df63d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.916158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022086/publication.txt
observed 10e15643d5cc3708d6d2e0b87e1d3c2b...
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.