OpenTechnical

OT-2026-000083830

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000083830) never changes.

Identity and time

Publication numberOT-2026-000083830 · never reused
Internal UUID01a0ae98-0418-7c03-9659-9646559cdd4d · 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-2026-000083830
StatusPUBLIC

Content hashes

Canonical text9a434c608fc91e838c9a1fdbee82a852c0e6b3ab17bddb6ea79579098606a44c
Markdownd9a1aab3a31a21829773a5e390e39271a29415f83a5238e927f541aababbdf04
PDF
Publication page3772fa2259ce07aefaa4a7d16a9871a3c7d6dab29ef8552185b3743ebe27bf70
Manifest872ea641e99793097b6c8be2860e5207fd8b937beb5ef5071e62dd445e7c36f0

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
SignatureaLo6bXa6o24PyqDMqRrLJlbJ73/qCxaWCh05PvIiaPZzt//SU+fSZdNe3mxJKhZkZ+Us+jGqE2s47uw4hKxRBg==
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

2026-09-17T10:00:06.123339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083830
observed 3772fa2259ce07aefaa4a7d16a9871a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:05.694166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083830/manifest.json
observed 872ea641e99793097b6c8be2860e5207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:05.674605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083830/publication.md
observed d9a1aab3a31a21829773a5e390e39271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:05.568167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083830/publication.txt
observed 9a434c608fc91e838c9a1fdbee82a852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.162603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083830
observed 3772fa2259ce07aefaa4a7d16a9871a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.145607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083830/manifest.json
observed 872ea641e99793097b6c8be2860e5207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.111503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083830/publication.md
observed d9a1aab3a31a21829773a5e390e39271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.082385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083830/publication.txt
observed 9a434c608fc91e838c9a1fdbee82a852...
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.