OpenTechnical

OT-2026-000092956

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000092956) never changes.

Identity and time

Publication numberOT-2026-000092956 · never reused
Internal UUID01a0ae9e-090f-7a41-8b67-4538add386ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092956
StatusPUBLIC

Content hashes

Canonical text5e8e5a838a71c18d1d5c611c6b6edc98fc82837dea49eb92413ba8ddbea1e4d1
Markdown2bebe5fb2b4b07d8fc56e1d13bfa1b6dcb95b56bbce792f3642d14636250ed24
PDF
Publication page9c6f5ebaa47352761d208c177de3515806db2c4a38386d44c40e6b7f89a67dda
Manifest9f30975551db82d4167130ecaa51006969fa5b5a840d10eefde8f35df023c105

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
SignatureCGj1dtBoWCuuCkfyKWxw/f7RNWwDWVQqQWXz5cVsWpvD+WewUQRYTHH1IkbsDQkL8zifl5Fy7sqm7OCPEsxrAg==
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

2026-09-17T09:40:08.713504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092956
observed 9c6f5ebaa47352761d208c177de35158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:08.692428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092956/manifest.json
observed 9f30975551db82d4167130ecaa510069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:08.664067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092956/publication.md
observed 2bebe5fb2b4b07d8fc56e1d13bfa1b6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:08.643990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092956/publication.txt
observed 5e8e5a838a71c18d1d5c611c6b6edc98...
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.