OpenTechnical

OT-2026-000019099

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, 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-2026-000019099) never changes.

Identity and time

Publication numberOT-2026-000019099 · never reused
Internal UUID01a0ae6e-d523-7ad4-8857-9cb56900d836 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019099
StatusPUBLIC

Content hashes

Canonical textdfdb8359e83b5c458e397840485b577e930772cfa8acc625af1a45369fbeeed1
Markdownc23b65d6e16d100915a7d73e166f741875c74b57bd1305deee30cfd67a585389
PDF
Publication page2db7f13621d0cb736792bec6fdcd233f2006bb19c5467c3a1e29a376ca2417d3
Manifest0e012e3c03c5195b9c464d946118a9f7e55a6044f5f71b4179264af6984c054e

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
Signaturec/PyWjWPYE5zm4gE7EiMRqJlYM8p0oZuHl2qw1Bo5Ad5C1cfWHmLRWgsq4AWf2GOvgBBAODbHvK9QPtp9H8xBg==
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

2026-09-17T11:59:47.744311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019099
observed 2db7f13621d0cb736792bec6fdcd233f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:47.725851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019099/manifest.json
observed 0e012e3c03c5195b9c464d946118a9f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:47.704824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019099/publication.md
observed c23b65d6e16d100915a7d73e166f7418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:47.685547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019099/publication.txt
observed dfdb8359e83b5c458e397840485b577e...
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.