OpenTechnical

OT-2026-000030032

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, sustained 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-2026-000030032) never changes.

Identity and time

Publication numberOT-2026-000030032 · never reused
Internal UUID01a0ae73-ac4a-76d5-b684-cbafe74be1e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030032
StatusPUBLIC

Content hashes

Canonical text167eca91b527f0abb794d9b288f7e9e60a200d0e0738ede7f3c58807ed6614b4
Markdown88bc7581b292080af81165fcc92057ccabaced3c99431e5ee51b78178b352b18
PDF
Publication pagef0f2250bb72850fe0e6b791b6727fee9c1eccdbebd80010d2b59ab6b6c0d8f1a
Manifestbbd6917fd40c18b725e1b83e9321039f43a1e1fc55b9113d1c25d4f52b0366d2

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
SignaturemJSxS1psAATqInFblZw2CLMiZnknOFoDX11gZKWaR9KyhbGC+gCO6zD3uNwcn9qLDZbZkfCVgjFZNl8YYz6OBw==
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

2026-09-17T11:38:46.113378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030032
observed f0f2250bb72850fe0e6b791b6727fee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:46.094631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030032/manifest.json
observed bbd6917fd40c18b725e1b83e9321039f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:46.073381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030032/publication.md
observed 88bc7581b292080af81165fcc92057cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:46.056036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030032/publication.txt
observed 167eca91b527f0abb794d9b288f7e9e6...
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.