OpenTechnical

OT-2026-000090823

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000090823) never changes.

Identity and time

Publication numberOT-2026-000090823 · never reused
Internal UUID01a0ae9c-c010-7799-985c-d42200dc06f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090823
StatusPUBLIC

Content hashes

Canonical texta8b8e75786b19585bc7548b0b9b77263821d3769bf4c94008c2238ded7ea4666
Markdown0c9c94c6e46b5fcc22f02a487509fe8bbf9b2fdc51cd38642eef4be476a4eff1
PDF
Publication pagea32a5eda7b9cf762240755ff5f01506fbff0e51aa1e8023a5c08cf0c8844569b
Manifestaee1e85cdca737eb14131a06665b4032739d4e760f300fbc6298260c67665a49

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
Signaturebwibt3x8rP0Xii6FPirkTBzy5k40bGp8cXiXRgOGk855t84BaVfAXC+JYXWDp2GWpKmrFnrn2aMk8DoudsjqBw==
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

2026-09-17T09:44:01.055709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090823
observed a32a5eda7b9cf762240755ff5f01506f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:01.039086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090823/manifest.json
observed aee1e85cdca737eb14131a06665b4032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:01.022378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090823/publication.md
observed 0c9c94c6e46b5fcc22f02a487509fe8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:01.006086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090823/publication.txt
observed a8b8e75786b19585bc7548b0b9b77263...
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.