OpenTechnical

OT-2026-000095553

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000095553) never changes.

Identity and time

Publication numberOT-2026-000095553 · never reused
Internal UUID01a0ae9f-8f74-7cf1-b970-7f7ea2885de0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095553
StatusPUBLIC

Content hashes

Canonical text6737171d71e7214ef87a7b2ec4aa2cd3c122ceb7aaa4efe0572eea854f9f85be
Markdown91677ccb273aa14b6f286a7cff9a22334327cbadb825b0b14f10ab1376c5c436
PDF
Publication page2b1b755c96ecdf7c27043f7f3323f70884b951d1266ace9ef4eefb7760461a33
Manifestc9f247b26daa47f5ad967e1a47bdad391c318887cf6539e0d9e89b0d9923a92f

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
SignaturerviSYyonVuo0ZAXRPRMI2TolDsqNTLUgXhkRM7+yRXT7pfLNPqOqH2Kh1VDnsNHSXx9EcGolL6xDnUzjH7PoDg==
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

2026-09-17T09:36:58.074807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095553
observed 2b1b755c96ecdf7c27043f7f3323f708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:58.059829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095553/manifest.json
observed c9f247b26daa47f5ad967e1a47bdad39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:58.042792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095553/publication.md
observed 91677ccb273aa14b6f286a7cff9a2233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:58.025776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095553/publication.txt
observed 6737171d71e7214ef87a7b2ec4aa2cd3...
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.