OpenTechnical

OT-2026-000099832

Publication integrity record

Three cup vacuum gripper, three zone face, pump 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-2026-000099832) never changes.

Identity and time

Publication numberOT-2026-000099832 · never reused
Internal UUID01a0aea2-c978-7f24-ab71-dccbb7501ab6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099832
StatusPUBLIC

Content hashes

Canonical text719221bce7b12ed238854f7f21647cf9d3db485b49423be304c93f84eda1dbcd
Markdown66a7742269fe83c67352356eaed2c922516789124f7a32fc2d96af552b0623a4
PDF
Publication page6143a48f482f5ac38c16bad64a513006e9528a57825e0b3bc0ad77e36f3a8035
Manifest5cd488ad2fb9ca439b9cbcbff93ebd2d327c25b3de6a30ffd93cc0fec81e9af7

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
SignaturerQFYesXJ4y7042h3YAb+ORlRpaLVCW6yhnxV5PK1jj2MGO82VTPH3eBCc5y0GxwULl/ozE0xRIVH3ZpKjhtyCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:52.248660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099832
observed 6143a48f482f5ac38c16bad64a513006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:52.232082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099832/manifest.json
observed 5cd488ad2fb9ca439b9cbcbff93ebd2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:52.215769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099832/publication.md
observed 66a7742269fe83c67352356eaed2c922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:52.198208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099832/publication.txt
observed 719221bce7b12ed238854f7f21647cf9...
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.