OpenTechnical

OT-2026-000013863

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three 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-2026-000013863) never changes.

Identity and time

Publication numberOT-2026-000013863 · never reused
Internal UUID01a0ae6d-8de9-724f-8382-1e436a543b43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013863
StatusPUBLIC

Content hashes

Canonical text719d67d903236463446bb1169b529bd14e58ad356d16ce61fe0d67e37fa8dae1
Markdown50d334dd2b96785991b4c8d300ff92d29991603d6fb8f11d049c8e4612021ef6
PDF
Publication pagee38aab56e6b26622c14f8bb20f382c1212c4c3575ed593c8ae81fcb643ab7e79
Manifestb6a2246d839b9023d8cc2ec69d4f4a2bd794daf6f2e3857f396e9304d1cdb1f4

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
Signature2C6zab8InPLqdZ/lMoMMZTmDe76BlRMGC+hMx6EWMQkPQcFqIiqZ7za7HB39WCBuIl+kJyY+fxY4uXwsmWFGCA==
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

2026-09-17T12:08:58.549608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013863
observed e38aab56e6b26622c14f8bb20f382c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.530468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013863/manifest.json
observed b6a2246d839b9023d8cc2ec69d4f4a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.510329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013863/publication.md
observed 50d334dd2b96785991b4c8d300ff92d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.493552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013863/publication.txt
observed 719d67d903236463446bb1169b529bd1...
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.