OpenTechnical

OT-2026-000059689

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, vented 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-2026-000059689) never changes.

Identity and time

Publication numberOT-2026-000059689 · never reused
Internal UUID01a0ae89-ec24-7965-8e2b-78a2c3f10e2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059689
StatusPUBLIC

Content hashes

Canonical text6712979b2d91d084887f839a886f905cf68dee319b9e7d33e696e43b533b71a5
Markdown7514de5fd73b6260c96800c703520a0c2a822e60df16b303365b3d22f469333d
PDF
Publication pagea50de18c259590dbfb4bfa2bf0c1954a3c87bcf61e8ceb7bda976edc58504fc0
Manifest7c9e3d21c0facbb2181d9c47ff27568f4a5ce2a728d1d7d347cb82be017c3eb8

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
Signaturev2ASU3Goc9hbG95kOC88wXE5Ui5YLBaWFsjFm2t265uxvlaR149jfuy/A1EyQgMFj7J2z6KkdGm/gvlOOGNPBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:23.759442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059689
observed a50de18c259590dbfb4bfa2bf0c1954a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:23.742200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059689/manifest.json
observed 7c9e3d21c0facbb2181d9c47ff27568f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:23.724621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059689/publication.md
observed 7514de5fd73b6260c96800c703520a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:23.707799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059689/publication.txt
observed 6712979b2d91d084887f839a886f905c...
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.