OpenTechnical

OT-2026-000069823

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000069823) never changes.

Identity and time

Publication numberOT-2026-000069823 · never reused
Internal UUID01a0ae91-185f-7fc7-ae8b-fb236318aef6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069823
StatusPUBLIC

Content hashes

Canonical textc50bc121d100098cc746ccf4cfdaa5cfcfe6680a99ad85c5445d9043b45faa1a
Markdownc1ee0f91c76de22528d3bd5c82c472fb95e587dab02a056d429a7fdb02008eb7
PDF
Publication page0e72df49790174066b9ba704bd2d5f266c4c7fe3b4621e3847884eda6dccb534
Manifest3b87bfa49edf4845e5d105655e5c918c78e1bc4a87c98baa36738bac21ad9ad2

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
Signature37e5ij4jPXz3kcl9JWv1eV3MW1GvFWikPuW9qK0s4TrOqBICMQIDbVbleoG5mOjnWp5fP/NRNCRkI0fmc2mwCQ==
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

2026-09-17T10:26:39.334746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069823
observed 0e72df49790174066b9ba704bd2d5f26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:39.316969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069823/manifest.json
observed 3b87bfa49edf4845e5d105655e5c918c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:39.299070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069823/publication.md
observed c1ee0f91c76de22528d3bd5c82c472fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:39.281760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069823/publication.txt
observed c50bc121d100098cc746ccf4cfdaa5cf...
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.