OpenTechnical

OT-2026-000091502

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000091502) never changes.

Identity and time

Publication numberOT-2026-000091502 · never reused
Internal UUID01a0ae9c-f16d-7b9a-88f6-d9cb02561134 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091502
StatusPUBLIC

Content hashes

Canonical textdf63a23332a9c941ca40bbf50ab36f8f1409a65a16bcbfe304ebd25ef2ddefc3
Markdown27b1e6a4a601536c370c5e3d217a53b0e50915d08221cc93a3c1bd2868adb8fa
PDF
Publication pagea585235083acb5538c558af1c387560d84f517212e53de48313e0726d292edd2
Manifest5f9d712be7f5d647073290914a98d7211bc1b149cb5ad405423c9f3e9d095641

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
SignaturetRcSIfCnVkn84dfdA6siM6oEbb7xDIR0ZIctx7lGqHIb70mY93nEVy4QcY6NHaK0tdkefqcW6DaA+8VPpDaSCw==
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

2026-09-17T09:43:45.773902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091502
observed a585235083acb5538c558af1c387560d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.756587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091502/manifest.json
observed 5f9d712be7f5d647073290914a98d721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.740073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091502/publication.md
observed 27b1e6a4a601536c370c5e3d217a53b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.723844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091502/publication.txt
observed df63a23332a9c941ca40bbf50ab36f8f...
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.