OpenTechnical

OT-2026-000086106

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000086106) never changes.

Identity and time

Publication numberOT-2026-000086106 · never reused
Internal UUID01a0ae99-e82b-768d-af5c-463f45d7c443 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086106
StatusPUBLIC

Content hashes

Canonical text8f8ac9fda76ef6d0c787d3e3fc1e48cc6e81e15bf5320df30890877f721e448d
Markdown567ed39d379fe6bc5868180bfef89b48200ae9b6d337a21861d06d867180512e
PDF
Publication page9ce4ede002386358e900242614a25861b18ee78aa6bd722918f6bcd7a254fef1
Manifest43e87f52834f88d6f223f376148f17edd8fd32c1dff4ea8b8290bbba625b97ed

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
SignatureC3/WtEqjImM8H4w3WM/OoYOBo20XHf28Gvh026R/da0GU0d+vNAfvzfzLbYNZPBxSt6XdPSv2+EBUWyLlxUqBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:53:45.551699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086106
observed 9ce4ede002386358e900242614a25861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:45.532648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086106/manifest.json
observed 43e87f52834f88d6f223f376148f17ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:45.514394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086106/publication.md
observed 567ed39d379fe6bc5868180bfef89b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:45.497563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086106/publication.txt
observed 8f8ac9fda76ef6d0c787d3e3fc1e48cc...
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.