OpenTechnical

OT-2026-000041600

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump 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-2026-000041600) never changes.

Identity and time

Publication numberOT-2026-000041600 · never reused
Internal UUID01a0ae79-e8a0-71b9-9738-0eb352f89106 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041600
StatusPUBLIC

Content hashes

Canonical text30b61955926184338e80bb88ca5885adb94c5247956fdcaaf8b284f8b71cf2df
Markdownaf25b99e0a7dca331a4bad09235f62be0964f87cbab44a1b1adcc808b6719130
PDF
Publication pagebbf4dfd8d91992c32334d6f68e542977998b1b21aaf0be12d18ed58bd8e7179d
Manifestdb227f278a044bc31b5bf2787df19410070ee31038412dbed136e0e6868204cb

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
SignatureeVbRsNlQtdLjNMMtS2YDWNGPxt62LGFoQ8Wo+UDBllxst7vzSUvPp/41iKCQXVUtY09ahFuPedxnuBTTqPwfBQ==
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

2026-09-17T11:16:23.484976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041600
observed bbf4dfd8d91992c32334d6f68e542977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.467870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041600/manifest.json
observed db227f278a044bc31b5bf2787df19410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.451927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041600/publication.md
observed af25b99e0a7dca331a4bad09235f62be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.435473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041600/publication.txt
observed 30b61955926184338e80bb88ca5885ad...
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.