OpenTechnical

OT-2026-000032083

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pulsed 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-2026-000032083) never changes.

Identity and time

Publication numberOT-2026-000032083 · never reused
Internal UUID01a0ae74-bad3-7a3d-b884-fc5787f0edbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032083
StatusPUBLIC

Content hashes

Canonical text0cf88a93f113c5e751ca87d44a86ebcee67aac931c94943715999dd83290a0af
Markdown18b849964b76effc0958ea022795c1a68a68d13dd99d7946bbba9cdf5f204661
PDF
Publication page6332837e95618cd0be0e396ce24cc0c5666c24fae163056671de4552a7183eec
Manifest7168100d1642fd2b31aea7fd0a28a69aab4353319209ee9ff18c091b40b8facf

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
SignaturegMb2JN5zd7YxL3ziUcUTqheFgwJuGqy6Y+7vWhT1Xus8LqJBEheq7o2k55kyn0valJI1PxzMxnreW7yYwUFVCQ==
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

2026-09-17T11:35:30.376881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032083
observed 6332837e95618cd0be0e396ce24cc0c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:30.358038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032083/manifest.json
observed 7168100d1642fd2b31aea7fd0a28a69a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:30.340065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032083/publication.md
observed 18b849964b76effc0958ea022795c1a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:30.322175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032083/publication.txt
observed 0cf88a93f113c5e751ca87d44a86ebce...
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.