OpenTechnical

OT-2026-000049918

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000049918) never changes.

Identity and time

Publication numberOT-2026-000049918 · never reused
Internal UUID01a0ae81-fd76-7ee1-b667-88399e112015 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049918
StatusPUBLIC

Content hashes

Canonical textf9b5a8e569e4671b325490ed56a3affa3fd3adcaa0419195c81cd4c48b79e939
Markdownc2024a50c3524255e1bd0a7780c599de8d36a9d061cd774a88dcebb8719fba35
PDF
Publication page61f9589870fd04b8cd3eac1454accdc1e3945ddaa348004240eee23bf332351b
Manifest17a0b7c4040e52861e1dd37187b25f8420ef85fe30d185be266f9208c4963b83

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
SignatureZpFwS15k3ZTUh/38z0dwIjj6B8771pOV9BkE4REBXqvvUY8MGz5SLrJcwY5X0g8md/pLKxRrKvQRWredcL0uBw==
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

2026-09-17T11:01:50.675101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049918
observed 61f9589870fd04b8cd3eac1454accdc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:50.656171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049918/manifest.json
observed 17a0b7c4040e52861e1dd37187b25f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:50.637514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049918/publication.md
observed c2024a50c3524255e1bd0a7780c599de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:50.615407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049918/publication.txt
observed f9b5a8e569e4671b325490ed56a3affa...
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.