OpenTechnical

OT-2026-000075849

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, pulsed 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-2026-000075849) never changes.

Identity and time

Publication numberOT-2026-000075849 · never reused
Internal UUID01a0ae94-29fe-79bf-85d7-32295146b8f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075849
StatusPUBLIC

Content hashes

Canonical text93d5db65448205ebf2c469d42bb7125984e8c1765bd0407c06836e2de7a0d8aa
Markdownce4c96f71552f6403761e972402e175e7b723a481ee911cfd3820c7d223bd77f
PDF
Publication pagec997bf69c9d836cb70702f904329237165a5bd5bcdbff0c26f2c27765783dd49
Manifest6d8f61553e3cda439caa5e18ef1327b8095ea185b78971e288ad36787fadbdbd

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
SignatureRqVblSTM/17fWbIaChwEHR7NHLjQXXpP8bedh3hjjECrom2B1IJdc0EnZiDWSgiu/H+9pQ8DIYj8S2M8b5aZDA==
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

2026-09-17T10:14:32.768183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075849
observed c997bf69c9d836cb70702f9043292371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:32.750112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075849/manifest.json
observed 6d8f61553e3cda439caa5e18ef1327b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:32.734532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075849/publication.md
observed ce4c96f71552f6403761e972402e175e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:32.716942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075849/publication.txt
observed 93d5db65448205ebf2c469d42bb71259...
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.