OpenTechnical

OT-2026-000084473

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000084473) never changes.

Identity and time

Publication numberOT-2026-000084473 · never reused
Internal UUID01a0ae98-5b63-7a72-9425-98bce135d61f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084473
StatusPUBLIC

Content hashes

Canonical text9ae1d02104ff5cb89b74e5e9b195046a6f610902ee145d6f6979e3d77cece546
Markdownaa1d264dcccb2647c0cb868ee6ed5f99c713fee708d120cafa6c7cc5e5d289b9
PDF
Publication pagefc3c562f72ce251cab0d69eb6abe60d81b57129a53ca00a9e2516295bbc03390
Manifest1037712003270f5e6157e9a4cf5dcd0718105e490870fdb9e52a598fa2fc0ee3

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
Signaturek3s1gighkosi3nIScuvPbV5xMbJCz8mcRWVt4tjykW3Tq5cgEyQZq55VsWBZm41WAuIcyH2qvc2D+vxZvuHiBw==
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

2026-09-17T09:56:26.351104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084473
observed fc3c562f72ce251cab0d69eb6abe60d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.334647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084473/manifest.json
observed 1037712003270f5e6157e9a4cf5dcd07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.316051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084473/publication.md
observed aa1d264dcccb2647c0cb868ee6ed5f99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.299799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084473/publication.txt
observed 9ae1d02104ff5cb89b74e5e9b195046a...
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.