OpenTechnical

OT-2026-000014671

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed blow-off before 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-2026-000014671) never changes.

Identity and time

Publication numberOT-2026-000014671 · never reused
Internal UUID01a0ae6d-d093-704d-9f1c-4560a6d326e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014671
StatusPUBLIC

Content hashes

Canonical textecf45558d978e509f941fe192b30043d41f038cc1447cf1db79557849b338727
Markdowne69a5fd494a58d0df0100e5e9336bc49d1168d8f3de0b01b976ad0c39f4b1903
PDF
Publication page6f8416f08f8c50b5d76ddf746f0536b5d103358c9363c4638afa6952c2e1b1d6
Manifest702c42411edc0ff36468d577d802a02c3348224b2da462a08a4c4d78a361892b

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
SignatureK/ifUoAQtz64JfzLbLfdIrn0ZspzCaBDu1fpCISEH262gSm5vtWTtjMvXsymFdw/VTKceLxQgwmjQhKcqS4nAw==
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

2026-09-17T12:06:31.217544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014671
observed 6f8416f08f8c50b5d76ddf746f0536b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:31.198837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014671/manifest.json
observed 702c42411edc0ff36468d577d802a02c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:31.179848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014671/publication.md
observed e69a5fd494a58d0df0100e5e9336bc49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:31.159985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014671/publication.txt
observed ecf45558d978e509f941fe192b30043d...
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.