OpenTechnical

OT-2026-000045036

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000045036) never changes.

Identity and time

Publication numberOT-2026-000045036 · never reused
Internal UUID01a0ae7c-f767-73cf-afca-f821fa122117 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045036
StatusPUBLIC

Content hashes

Canonical texteb75d040064365b0aca7a6a521f211de481ecbb0c4a7a22a1a4935e4b23483a8
Markdowncd2a891e4e14799f8b7e99b40b33b3ef275a3a5863f954ff8318369de66b0bd5
PDF
Publication page42cdd61b9463376ad139ce75b729100308e2fca98854ea1bf4f1d776de2266f1
Manifest5b2e8f9c61190669e5b37f54be324f066aa1aaea45fdbb143c00e929d8b78ab2

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
Signature0RkfHdxGOS2Oc8SOnajvA4tBJVLDv1NOXn13x/c9RGcBi1xZAjvGo8HXhVVsUAT6aHafhH3eCrPqs95sGjtOAA==
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

2026-09-17T11:10:03.169053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045036
observed 42cdd61b9463376ad139ce75b7291003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.150041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045036/manifest.json
observed 5b2e8f9c61190669e5b37f54be324f06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.129357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045036/publication.md
observed cd2a891e4e14799f8b7e99b40b33b3ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.109456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045036/publication.txt
observed eb75d040064365b0aca7a6a521f211de...
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.