OpenTechnical

OT-2026-000093259

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000093259) never changes.

Identity and time

Publication numberOT-2026-000093259 · never reused
Internal UUID01a0ae9e-0911-7022-af4c-20cdb33a89c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093259
StatusPUBLIC

Content hashes

Canonical textfb8cfb7530f20c067102a45d9aa5347411bbeae943d96cf6ba4a9de8952489e6
Markdowne57da832c517dc7ea345da3f978f75319d66e918262a1224db8c57408cd5b8e2
PDF
Publication pageca0714db213d305d87c116c6a50f623e5b036cbd4c19754a7a208b1bdbb45975
Manifest8ddf408f915ee3e411830723295b58749c40aa8598e5b1d187ceb0e88318e7fc

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
Signatureuhep/nr33v1W0hq7ltY3W8tHsSGs7VNOOWKv4KJzvfFe5orw0cA9Ru5j8YcjM9CXbQrbZmjnyzFpHHM10ZD5AQ==
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

2026-09-17T09:40:37.268242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093259
observed ca0714db213d305d87c116c6a50f623e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:37.250982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093259/manifest.json
observed 8ddf408f915ee3e411830723295b5874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:37.234681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093259/publication.md
observed e57da832c517dc7ea345da3f978f7531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:37.216160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093259/publication.txt
observed fb8cfb7530f20c067102a45d9aa53474...
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.