OpenTechnical

OT-2026-000034515

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000034515) never changes.

Identity and time

Publication numberOT-2026-000034515 · never reused
Internal UUID01a0ae76-1ed0-7674-8f85-cb9e48d183fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034515
StatusPUBLIC

Content hashes

Canonical text13d6b53734475be51f3fd70b24fe567bc1b8bfe99effca783cc6c1c3dbb897d1
Markdownf31c378dbdbc4ae0311474bd938f408f7f884d55da79b70bee1921910da16dd1
PDF
Publication pagecfa752dc7f5a388565ca1a5a7a591ee83feba3533941341b6afd81e1506b8f46
Manifestb0323df5a89775ce70ccced3fbea42d9d0a74d33b48d6a92d6a399898baf0892

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
SignaturevX71wGBa3C3OlUzEvhFJrTZQxRiR4JcIG8Euv80SmQjaqbGfWR6/o4zkw66gU4UA1Y6kaPzQcD909Je1AsSNCQ==
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

2026-09-17T11:28:52.004405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034515
observed cfa752dc7f5a388565ca1a5a7a591ee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:51.986559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034515/manifest.json
observed b0323df5a89775ce70ccced3fbea42d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:51.968631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034515/publication.md
observed f31c378dbdbc4ae0311474bd938f408f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:51.947838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034515/publication.txt
observed 13d6b53734475be51f3fd70b24fe567b...
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.