OpenTechnical

OT-2026-000092099

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000092099) never changes.

Identity and time

Publication numberOT-2026-000092099 · never reused
Internal UUID01a0ae9d-8759-7832-bdcb-8a1c108cf660 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092099
StatusPUBLIC

Content hashes

Canonical text89afdaa335e72db59aa5c14fe473f727f00f34ba705575a90ac0c8472b193b17
Markdownf4662222f49893cfb3b54f4fcf038da9e381b62181f75dd02b0037f42bbd477e
PDF
Publication page97950c8f61aa802a1998b09a3f8c1c6f73e27687abe27053de23e52f9555a6cc
Manifest69c049453c77dbd77e216a48e7f2277508c2a3342e16bb3f25106ba1f4deafc0

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
SignatureOYVxyxOvwL233knV7Gp67WYHR1aiXrQ2y+PUYGHIxhkyAFovkNcfStRyp99bfpNVyPp2Uoex2Ky6MCj0P6pCBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:33.587363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092099
observed 97950c8f61aa802a1998b09a3f8c1c6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:33.570358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092099/manifest.json
observed 69c049453c77dbd77e216a48e7f22775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:33.550273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092099/publication.md
observed f4662222f49893cfb3b54f4fcf038da9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:33.532433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092099/publication.txt
observed 89afdaa335e72db59aa5c14fe473f727...
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.