OpenTechnical

OT-2026-000032557

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, pulsed blow-off after 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-2026-000032557) never changes.

Identity and time

Publication numberOT-2026-000032557 · never reused
Internal UUID01a0ae75-106f-7dec-97c1-13af4ea4824e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032557
StatusPUBLIC

Content hashes

Canonical textb1666ef44204ff5938220710000984c50b8789e8043ba801572c31775bd1499e
Markdown7e98241d6b00b107e5c221ac78ed92e06affa8d0e87f6778e1bf6de7d887d2b5
PDF
Publication page682fe85d84a4675b7fab63f8a7cb738a7382ec502ee44dfff697dbadea5803cc
Manifest6bde1cb677d40a32a6fdd7057c9e60380e60c1e8c57c1bf011461b856cc6ed1e

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
SignaturetHxgWd9/kkw+uyLPtNIyTt3bo4KFo0950GQaTzTPJqM2NnR2pDNAJOElfnp8JVmnnMt10oAiEPAar9Vz6OBSCg==
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

2026-09-17T11:34:07.585265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032557
observed 682fe85d84a4675b7fab63f8a7cb738a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:07.561466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032557/manifest.json
observed 6bde1cb677d40a32a6fdd7057c9e6038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:07.543222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032557/publication.md
observed 7e98241d6b00b107e5c221ac78ed92e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:07.525590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032557/publication.txt
observed b1666ef44204ff5938220710000984c5...
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.