OpenTechnical

OT-2026-000083285

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, 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-2026-000083285) never changes.

Identity and time

Publication numberOT-2026-000083285 · never reused
Internal UUID01a0ae97-c963-7fdd-8909-18f1169af9f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083285
StatusPUBLIC

Content hashes

Canonical text53bc22b2017b41ff85c711f478edbddf9bf1b6644669e72febd848d9410ab7ec
Markdown4015451fddc0ec7cbd911c83ecb5cd74d1932caab4de029a56446abfde93f4fa
PDF
Publication pagebeb762dc435da825054f2cd823a4ef0efc67ef91a3bce3ae76e01a2f7dff43b2
Manifestac4a8ca583628d8f0caa212624216fb15e7d89032638924628115560efe7d70a

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
SignatureAsFd7HekXTJM5BKg/QbuLKOhtfYrucMWSfSbJpbAMrGPNCf9q1Jl9PrALegTbGgSVCSGt2MfkRkMcLFwovCGAQ==
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

2026-09-17T09:01:25.341743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083285
observed beb762dc435da825054f2cd823a4ef0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:25.323365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083285/manifest.json
observed ac4a8ca583628d8f0caa212624216fb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:25.180812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083285/publication.md
observed 4015451fddc0ec7cbd911c83ecb5cd74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:24.907618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083285/publication.txt
observed 53bc22b2017b41ff85c711f478edbddf...
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.