OpenTechnical

OT-2026-000043656

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump 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-2026-000043656) never changes.

Identity and time

Publication numberOT-2026-000043656 · never reused
Internal UUID01a0ae7b-92d0-7b62-b822-6b06de01ac2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043656
StatusPUBLIC

Content hashes

Canonical texte5144891e9704712acaafe0943989639256ee1e5b2901e2e7791b4611959b7a1
Markdownc192ce80bf974440581935c5fcc35e99a4b6f504241eb82876362d625dec9dec
PDF
Publication page710948d8addef00e31dad5c1c6d767e6c8efe18b33aad9735dfdb52ee02608ac
Manifest2eab6ac303ca0619e719e08bb3e48730aea93e98c1db7adcd5ca62ae1984f892

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
Signature38A3b2H6blXC2duSgpqpS+/32yMfFQ1V7q2FQyzOji197faW9FrDjSWIOnU3krH2ErzGiC7hBiLhl1QWonzbBw==
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

2026-09-17T11:13:08.321475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043656
observed 710948d8addef00e31dad5c1c6d767e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:08.302954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043656/manifest.json
observed 2eab6ac303ca0619e719e08bb3e48730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:08.275300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043656/publication.md
observed c192ce80bf974440581935c5fcc35e99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:08.246956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043656/publication.txt
observed e5144891e9704712acaafe0943989639...
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.