OpenTechnical

OT-2026-000092720

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000092720) never changes.

Identity and time

Publication numberOT-2026-000092720 · never reused
Internal UUID01a0ae9d-b5ff-7971-a9a2-8856d3900e20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092720
StatusPUBLIC

Content hashes

Canonical text8655bd7ae2d30a53f4eeee4deb18e3bec6432f3f00c4b1f288bfb046592db965
Markdownf9baaf83a7a205cabdbe5942934e76aa705d053b716e2c3f2746eb471e5b9720
PDF
Publication pageed1ae5d7679f62379dde0538b05010954f16ccbc62582a962065b91a0a353304
Manifest8b4f7e550305039edc71a429a4a7c18aa64a2afbe687834d0208723a56f843cf

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
SignaturexLRKzRY+QtKe1FjKUGI31HUE6cCkbg2gNSh5SzseV6Cv+vNf4jk2jfQG+Usz1nfLMmrv/lCV5tXElGa/LMSABg==
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

2026-09-17T09:41:20.525318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092720
observed ed1ae5d7679f62379dde0538b0501095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:20.506462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092720/manifest.json
observed 8b4f7e550305039edc71a429a4a7c18a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:20.485967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092720/publication.md
observed f9baaf83a7a205cabdbe5942934e76aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:20.468893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092720/publication.txt
observed 8655bd7ae2d30a53f4eeee4deb18e3be...
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.