OpenTechnical

OT-2026-000042718

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000042718) never changes.

Identity and time

Publication numberOT-2026-000042718 · never reused
Internal UUID01a0ae7a-c0cf-72ef-855b-1a482964c940 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042718
StatusPUBLIC

Content hashes

Canonical textca541e43fe5c40e458be0e39b3ab225e8d7952fe3e3fa9e11414d968a299da83
Markdownbdfa25fac6c08bd7ff0bb760dc2a4f7df5b087713b4847758f9a4d141b0ab3f1
PDF
Publication page10064fcec2e1230ff6f0ad5bac240de7f8e3de3e53ec1d51c8be71c2e13815bf
Manifest6b5220f6872f3350b4992dffa807c5a30e3b4962ce90d565fd468d13f81d7bea

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
SignatureL7LqRVulmmdiHPM+i6D8XcHTlN2Nn0jwuuVacaISDeztJYp9dmfnBPoLbhYcvWFVS4qzye7fHSRo0D1wHpxxBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:09.205322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042718
observed 10064fcec2e1230ff6f0ad5bac240de7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:09.180535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042718/manifest.json
observed 6b5220f6872f3350b4992dffa807c5a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:09.160112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042718/publication.md
observed bdfa25fac6c08bd7ff0bb760dc2a4f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:09.138239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042718/publication.txt
observed ca541e43fe5c40e458be0e39b3ab225e...
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.