OpenTechnical

OT-2026-000034059

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, supply line pressure sensor, 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-2026-000034059) never changes.

Identity and time

Publication numberOT-2026-000034059 · never reused
Internal UUID01a0ae75-df0c-72bd-87b4-7b20061dd2e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034059
StatusPUBLIC

Content hashes

Canonical text268a7ffcaa335a78f27eb8de965177a213d420ab6880abf5f67183507bed43dd
Markdown80daff8a37b9c6a4d4e69678e60b339fe31c5846b30ef09f877b570379ea38ea
PDF
Publication page848901ba22934a6ce19b222fd119f164ad27e0b419ba44438740fb2a9d788aa4
Manifest72f6c071bfb566d3030b8cc1cc46e8013e8efd54c172b8282bd3739fb7bb22ca

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
SignaturesJJtvP7I7zxyQfy3CJcPGws9DegF3tUmBrKKkUyB/D1PWtV8FP7vYDhOUgtwTTbOZPcI5cegNT7PO53C+Yv2Cw==
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

2026-09-17T11:30:18.071616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034059
observed 848901ba22934a6ce19b222fd119f164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:18.053023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034059/manifest.json
observed 72f6c071bfb566d3030b8cc1cc46e801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:18.036974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034059/publication.md
observed 80daff8a37b9c6a4d4e69678e60b339f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:18.016681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034059/publication.txt
observed 268a7ffcaa335a78f27eb8de965177a2...
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.