OpenTechnical

OT-2026-000005042

Publication integrity record

Bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, contact triggered on the face

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-2026-000005042) never changes.

Identity and time

Publication numberOT-2026-000005042 · never reused
Internal UUID01a0a92b-ffac-79c4-a34e-a62d849c8450 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:43:48.142979Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005042
StatusPUBLIC

Content hashes

Canonical text61b814d88f9e6850dab286323d14d8c7f95b0a3eebec2b635a7c31f543620592
Markdown835c182f36ed4ba062a885166f8fac3fbf9188c031ff45a2f805a678de76186f
PDF
Publication page494a78340346d3bef8e3a8822e070401d2b446f2641a2a2e7d539aebcdd880d6
Manifestb02166f6d33569229bbab4c73effdf78466ece720be65dcc9aa2b9dfa0b7112b

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
SignatureVK2lzdQQ/9PIomoyoZPEt1bHp4iaYsMFtE/a/jgqxe3CMorA7dXHgAMTo7VN9C/5nl3lyaR28h8wfFjUEjE9Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:21.870700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005042
observed 494a78340346d3bef8e3a8822e070401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:21.734451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005042/manifest.json
observed b02166f6d33569229bbab4c73effdf78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:21.722509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005042/publication.md
observed 835c182f36ed4ba062a885166f8fac3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:21.710543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005042/publication.txt
observed 61b814d88f9e6850dab286323d14d8c7...
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.