OpenTechnical

OT-2026-000014011

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed 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-2026-000014011) never changes.

Identity and time

Publication numberOT-2026-000014011 · never reused
Internal UUID01a0ae6d-8dea-7217-9ef3-cafa23998205 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014011
StatusPUBLIC

Content hashes

Canonical textb0ab28d077ebc544d856a13cbad6a0054ec76f2e8acaa1b6a6688e2ecf3b302e
Markdown57d8675e99e03147380dd8f6f969438378bdff8d8c549a569f0852a59d3553f8
PDF
Publication page2401e0dc7ad2aedc6a280883893babda454617efec89a4d705aa4dc943a79cba
Manifestdaa551bcf45ceeb778a173acc1557dccaefb89327d26e2678fb1150d0284a689

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
Signature66jSUtBB9mUNd8SoRmPnbnYG8W9utGnIuy2wzpMSYuToq9rIOy++zJ2fx9fDk8ZxccDKm7apCRBj3kDiopOdCg==
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

2026-09-17T12:09:14.184514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014011
observed 2401e0dc7ad2aedc6a280883893babda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:14.166638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014011/manifest.json
observed daa551bcf45ceeb778a173acc1557dcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:14.146998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014011/publication.md
observed 57d8675e99e03147380dd8f6f9694383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:14.127475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014011/publication.txt
observed b0ab28d077ebc544d856a13cbad6a005...
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.