OpenTechnical

OT-2026-000064204

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000064204) never changes.

Identity and time

Publication numberOT-2026-000064204 · never reused
Internal UUID01a0ae8d-a45f-7259-bbbd-1fa71df49c30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064204
StatusPUBLIC

Content hashes

Canonical textac91ee4ee9775262150c27da7d4939a6647b515ff8913a9f4a02188ae8d0a395
Markdowne3f3ea89db01f2368d15ca38a12c0cca9242b0b30bbe4ba73cafc326ac93e4df
PDF
Publication page71ccbe56e694d6eb7906071db64458fe78d3b37ba6c281567756c375f09bc9d8
Manifest68a9eb16537a78ad68e30c47945c981c60da7470246fb3f7d83091f6bcddc020

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
Signaturer0NsjX75QQPnp0P9nGHPzIyCzGJLWyhQCmtcx3WsH2WVhbusFs7Cad0c+ZrRDr4X+uPS5/wkbi1dRoiEgxJcBw==
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

2026-09-17T10:36:19.296516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064204
observed 71ccbe56e694d6eb7906071db64458fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:19.279457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064204/manifest.json
observed 68a9eb16537a78ad68e30c47945c981c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:19.261561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064204/publication.md
observed e3f3ea89db01f2368d15ca38a12c0cca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:19.244125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064204/publication.txt
observed ac91ee4ee9775262150c27da7d4939a6...
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.