OpenTechnical

OT-2026-000033361

Publication integrity record

Two 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-2026-000033361) never changes.

Identity and time

Publication numberOT-2026-000033361 · never reused
Internal UUID01a0ae75-8980-7044-8326-c97bdff22df0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033361
StatusPUBLIC

Content hashes

Canonical textbd5c8e67a47c8034d2046e9f428d6a91a09c24838963a281e742902beef9cfeb
Markdowncc6445945acd4e8706ee10313485ea56af4c1ca65ed6b17114b612ad241cb464
PDF
Publication page5f91e1b8ed6553a60aa96d5d5fc1ca5d2885f7bb23633c57b845fc858fe4392a
Manifest5f2b30f42fa0edeabff875a2799b91eb98ae8f750bc5275ad03ce7d7a8e43cd3

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
Signaturer39u5FcuHs08oJKCvmhfPD1NkecTgGdxTkZHBqRE5h78pGW77UmkldmkDZgDsDYaIaI42dLnAeGSHVZmsELzAw==
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

2026-09-17T11:32:07.649076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033361
observed 5f91e1b8ed6553a60aa96d5d5fc1ca5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.631028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033361/manifest.json
observed 5f2b30f42fa0edeabff875a2799b91eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.610841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033361/publication.md
observed cc6445945acd4e8706ee10313485ea56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.591595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033361/publication.txt
observed bd5c8e67a47c8034d2046e9f428d6a91...
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.