OpenTechnical

OT-2026-000029269

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000029269) never changes.

Identity and time

Publication numberOT-2026-000029269 · never reused
Internal UUID01a0ae73-2aa1-7c61-9905-ee87263487e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029269
StatusPUBLIC

Content hashes

Canonical textbc47643323af998cfd46fe6aa7997dffe0660599bcbf5eeab4f6bf3ab1967fdc
Markdown6d007dbe135c4349cd158d6aefd6269182e592e8179cdf49b2cdf7e0a9daf913
PDF
Publication page46c76edcb8d7c330a4931d7f3628bfbc05825e846e4df735d170f61af74faeda
Manifesta63ce2094ffe5a501930ad8184652a9c5d6b2074e3468f37d0426cfcaab50af6

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
Signature18ZH0ltqAXHYEbuE4CTXHibgHStLZNbHQ//C1BTcR/3BZn8tgMog3AAzciC6IaK+Jv4JwyuEcoyGSkkZDLAiBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:39:54.129562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029269
observed 46c76edcb8d7c330a4931d7f3628bfbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.111221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029269/manifest.json
observed a63ce2094ffe5a501930ad8184652a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.091995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029269/publication.md
observed 6d007dbe135c4349cd158d6aefd62691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.074903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029269/publication.txt
observed bc47643323af998cfd46fe6aa7997dff...
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.