OpenTechnical

OT-2026-000013848

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three 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-2026-000013848) never changes.

Identity and time

Publication numberOT-2026-000013848 · never reused
Internal UUID01a0ae6d-8de9-7b3c-b107-660a11809056 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013848
StatusPUBLIC

Content hashes

Canonical text61ceb9d79d183f592aaefe2e2abc6da46ea07937846a333965c153a745592680
Markdown4d340f846ae503068c1f4c8af19b2ff796bdab5c0cbca5ebeda51aa02ffd4769
PDF
Publication pagef8855564a1f3722af999edb8792d29c4505bf732259912868c3afcd2cf1f68f4
Manifestcb91f175c436dc507a57b60f0202ef65775d3b4ddd956be7ea04f0ca9111b189

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
SignatureW9/8hu7nxwDn9VEqlamO4hLOb4kBpjLBcY3cjbjv6/WDsGHpRQa+Q7gGOuZTcS+joNEwFebVs3pYqVWykdsnDA==
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

2026-09-17T12:08:57.355084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013848
observed f8855564a1f3722af999edb8792d29c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:57.337894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013848/manifest.json
observed cb91f175c436dc507a57b60f0202ef65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:57.320344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013848/publication.md
observed 4d340f846ae503068c1f4c8af19b2ff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:57.303045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013848/publication.txt
observed 61ceb9d79d183f592aaefe2e2abc6da4...
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.