OpenTechnical

OT-2026-000065406

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000065406) never changes.

Identity and time

Publication numberOT-2026-000065406 · never reused
Internal UUID01a0ae8e-46f8-7ddd-8ecc-796111792acf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065406
StatusPUBLIC

Content hashes

Canonical textd8578844ee6e2131857a6f77d9fb1eaf052fe357f41f6e3d84738ca79f15fb96
Markdownf1fa6a3ab0c87cd44d79dae610e5b261c1fc8d92c810d32fb8b330478be73f58
PDF
Publication page471e51e6c86ad378b1983fa03203fd43fe5c4c35735fe66d482260c174d42eb2
Manifest28da2742b2c3ceca0aa9f186720e29e154c7d96fc108796bd927a9c7f1164142

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
SignaturefSaM4k2p+33tWsiTmQG02YZJqbUcPjJYezDbfG3iO3hZ2nv3CUYtnEKRZ2qn+e0IVXnTuqdt+sXCjCa1JmRZCQ==
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

2026-09-17T10:33:40.181251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065406
observed 471e51e6c86ad378b1983fa03203fd43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:40.163200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065406/manifest.json
observed 28da2742b2c3ceca0aa9f186720e29e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:40.144802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065406/publication.md
observed f1fa6a3ab0c87cd44d79dae610e5b261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:40.126587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065406/publication.txt
observed d8578844ee6e2131857a6f77d9fb1eaf...
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.