OpenTechnical

OT-2026-000081820

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000081820) never changes.

Identity and time

Publication numberOT-2026-000081820 · never reused
Internal UUID01a0ae97-0f75-703e-b7d2-0c34eadf5b9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081820
StatusPUBLIC

Content hashes

Canonical text6413a8e97a326f33b83bb0b361bb8dccf2c9609af812d17d1ac4e50acff76319
Markdown9172aba3c525d11659d52048148011cb72fb1cdbf35abe9c215c8651dae45652
PDF
Publication page6869a207c58223a0ee3d7a6dd6bc86d3795d988f6833a019c96bf5dedf5e5f8c
Manifestb0751fa3d168aa4be840d161891554e518dad283c752b6bf8a28f719136633ec

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
SignaturedNlZsY+qvBo7K+yGkSuOiEnczfDsSLFrcSABctHR+OAy1MxvUtyc81cpadE7RQ11SqzgU9KmnHZxxjrjm3wXDw==
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

2026-09-17T09:59:55.599690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081820
observed 6869a207c58223a0ee3d7a6dd6bc86d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.582754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081820/manifest.json
observed b0751fa3d168aa4be840d161891554e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.565455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081820/publication.md
observed 9172aba3c525d11659d52048148011cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.548030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081820/publication.txt
observed 6413a8e97a326f33b83bb0b361bb8dcc...
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.