OpenTechnical

OT-2026-000064017

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, vented after 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-2026-000064017) never changes.

Identity and time

Publication numberOT-2026-000064017 · never reused
Internal UUID01a0ae8d-53bc-75f8-9651-5c225a1e4bb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064017
StatusPUBLIC

Content hashes

Canonical text5f12331f7286984b8270aa99b7d0d967a6e48a4a12614c895b47d55e3bdf25b3
Markdown0961ec056e24810cb16ca2162273a42981b967f9f51261bacdfa4b25d2d78001
PDF
Publication page5ca388c1c53ba97497faafe46ab9d7748f8c85a6bd503c1c62dedb0c6a160c2d
Manifest439dae029bc3f9e143c61c8217d48769bf22ff0ec97c0ebae972ece6993d163b

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
SignatureeA5MssddsugYOulR8mayV9aS89ib5evW9kPg6T7FIJFqBYyqF4S68c0+Ffmna/xslhqYQMSTr5KAdpXEZDLtCQ==
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

2026-09-17T10:37:05.968614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064017
observed 5ca388c1c53ba97497faafe46ab9d774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:05.951068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064017/manifest.json
observed 439dae029bc3f9e143c61c8217d48769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:05.933663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064017/publication.md
observed 0961ec056e24810cb16ca2162273a429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:05.913666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064017/publication.txt
observed 5f12331f7286984b8270aa99b7d0d967...
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.