OpenTechnical

OT-2026-000030703

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000030703) never changes.

Identity and time

Publication numberOT-2026-000030703 · never reused
Internal UUID01a0ae74-3fb3-799d-8f00-55ca2020ba95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030703
StatusPUBLIC

Content hashes

Canonical textd6e935a506bfc844a8a707d43947d35f7df1146bc16dca3d119182de602e50f7
Markdown7b2d7761efb0d0267e1e4c538a63d151d4792f0ead5d1d9dbcdda76ea2fc987d
PDF
Publication page6d41b5ef1b8735b06859b2518b7b69ccb569a9f2a207038b67b9621bb8f3173e
Manifesteb389562a01d19ac58cbecc2158aa2b1c3955831e3ca30fa3529308b01157962

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
SignaturewJoZTdVFxPn+kxcsB850PRHwkSKaPQ4ARaZVEJkhjIka7DkJ69S2P3xz95NJIHvts9fixiaNpIiEsdh4BmsxDA==
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

2026-09-17T11:36:37.293344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030703
observed 6d41b5ef1b8735b06859b2518b7b69cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.276411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030703/manifest.json
observed eb389562a01d19ac58cbecc2158aa2b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.253630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030703/publication.md
observed 7b2d7761efb0d0267e1e4c538a63d151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.234662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030703/publication.txt
observed d6e935a506bfc844a8a707d43947d35f...
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.