OpenTechnical

OT-2026-000091967

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000091967) never changes.

Identity and time

Publication numberOT-2026-000091967 · never reused
Internal UUID01a0ae9d-43bb-7da3-b3ab-704e604d2ed3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091967
StatusPUBLIC

Content hashes

Canonical textd44a2e5deda87c7f0f23249b8e4f92ca7d903664f1b21a53394e3c0c08451176
Markdownaab996bb34355a564d512914e4cc47195f8a844e48b95e70d90a9b7fd25ed204
PDF
Publication page5b9ee24ffdb6771b1a53a44ee1e877abd274d65f93abd1ee56c800b9c75b997b
Manifeste6637f3cc5b8f6d66b6c9aa54708ddde153c502c7c2062ec0519895a2ee53019

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
SignaturexppK8jjeHnKtITXYEn97yAiujZYEykMtKivkiSpyoJ5KN7DsrfbA/N5M1JAXbuBwGQMCEtDf2ePYd5r1oA6YAA==
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

2026-09-17T09:42:55.310761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091967
observed 5b9ee24ffdb6771b1a53a44ee1e877ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:55.293296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091967/manifest.json
observed e6637f3cc5b8f6d66b6c9aa54708ddde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:55.272427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091967/publication.md
observed aab996bb34355a564d512914e4cc4719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:55.253690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091967/publication.txt
observed d44a2e5deda87c7f0f23249b8e4f92ca...
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.