OpenTechnical

OT-2026-000016815

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000016815) never changes.

Identity and time

Publication numberOT-2026-000016815 · never reused
Internal UUID01a0ae6e-5919-79ec-b04f-4d380eaac889 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016815
StatusPUBLIC

Content hashes

Canonical text30545c7748eedeee774638a9efd20025e1ab3b8b82695b6bc7512748bf557ee7
Markdown1e6dd0fb6271881ac2e85aba75395aa02c7072b2b2758f913c1f1723287069ce
PDF
Publication page7b9638c2ec6b1a498d8a21e56bda60e52d06ea5f919e7ef4cb74d249ba527b9d
Manifest48e5d30e675a140a6858896c1da11b5e9f15b72bd9ac17cf4d09177a1437fa64

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
Signaturew7BUKTMUDKBrnszA7RCuyDH1AlugGKM5RQMa+qBAc0DI7gtxQPwWRrPOq5HPctwFMwlWE7Rcv/oaGU+kLy8GBw==
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

2026-09-17T12:03:04.260345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016815
observed 7b9638c2ec6b1a498d8a21e56bda60e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:04.242940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016815/manifest.json
observed 48e5d30e675a140a6858896c1da11b5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:04.227046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016815/publication.md
observed 1e6dd0fb6271881ac2e85aba75395aa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:04.209357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016815/publication.txt
observed 30545c7748eedeee774638a9efd20025...
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.