OpenTechnical

OT-2026-000083928

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold 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-2026-000083928) never changes.

Identity and time

Publication numberOT-2026-000083928 · never reused
Internal UUID01a0ae98-0418-7ebc-a43f-9d4cbfee138a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083928
StatusPUBLIC

Content hashes

Canonical text6b4312d39fdba2e30c34405cb86f9eec31d86389e07d3be8a16660e6696205b6
Markdown6f8a9b9916a2e68eb003c4c40984fe8784cc6310d207bd86381345f48722e8e0
PDF
Publication page332d9113f2ff44e42873a65c6b98259931fc0ba955cd85df7f8211590a11548f
Manifest7de49d0ba14fc618753ed01ac6c9f02f05dc89f78e578ac9eade51afa886d7b2

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
SignatureSWXvllIKAKERJNMZWnwxfeF3fd1SxHNjXQEPAWxcTCvdT1HzTTT+8sIJrc0gLWIwf3+JVE1lUmsf/hhLRMcxAA==
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

2026-09-17T10:00:25.393948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083928
observed 332d9113f2ff44e42873a65c6b982599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:25.375159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083928/manifest.json
observed 7de49d0ba14fc618753ed01ac6c9f02f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:25.357423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083928/publication.md
observed 6f8a9b9916a2e68eb003c4c40984fe87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:25.338757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083928/publication.txt
observed 6b4312d39fdba2e30c34405cb86f9eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:36.310833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083928
observed 332d9113f2ff44e42873a65c6b982599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:36.294892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083928/manifest.json
observed 7de49d0ba14fc618753ed01ac6c9f02f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:36.276885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083928/publication.md
observed 6f8a9b9916a2e68eb003c4c40984fe87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:36.259174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083928/publication.txt
observed 6b4312d39fdba2e30c34405cb86f9eec...
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.