OpenTechnical

OT-2026-000043016

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000043016) never changes.

Identity and time

Publication numberOT-2026-000043016 · never reused
Internal UUID01a0ae7b-3278-7d5b-86e0-6ad0dc21767b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043016
StatusPUBLIC

Content hashes

Canonical textd2c1c7e3ccf9a23a61768dddf149468409ffef4eadd324231bd8ca6b94d0688e
Markdown5fe96ab94d57bede721aa73743ac6e47d258043066c98acf2e05291b02a68f74
PDF
Publication page1c39692d9e73dd62eee74e4c76bdd1050f2e29cf1fe1d93e1bddafe0cd88273d
Manifestdf66093c94eab419f7c65e3b897e864caf0c6fd3d708c21680b925a561ad8d77

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
SignatureokLy/Zwk/4zdFJd0VonAjFyKLFoVxrn0Fb0Yz9RXae06pd3d/1mKRwZXToQIbxOybqPFBZbEtqDGLub7IymeAg==
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

2026-09-17T11:13:19.801458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043016
observed 1c39692d9e73dd62eee74e4c76bdd105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.783102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043016/manifest.json
observed df66093c94eab419f7c65e3b897e864c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.765933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043016/publication.md
observed 5fe96ab94d57bede721aa73743ac6e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.747959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043016/publication.txt
observed d2c1c7e3ccf9a23a61768dddf1494684...
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.