OpenTechnical

OT-2026-000031719

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000031719) never changes.

Identity and time

Publication numberOT-2026-000031719 · never reused
Internal UUID01a0ae74-bad0-79c7-81af-b1a59bb24b4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031719
StatusPUBLIC

Content hashes

Canonical textfb5bc06ed52bae78a3190cd65512c5e98c0e28e35f2a2f8cce6116c77f900784
Markdownbd4a9489fdf1639a7544a019fd9b8995fa2ae389fdc45a23605af53fdf19209d
PDF
Publication pagea94d44e397829963845b0061a3f81f14168522bcea13e8ff929bd6360fd9c0c1
Manifest22431f9b7d54f93bbd28c3bae15723e68d56d11dd42bdc2aa097278a027f420f

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
SignatureLMnchUFoonr81sgIa8ain9Lf5JKmpASS1oq5hX9694VT2lIyj2/Mt9FkNKioA/aBz3y0ahU6laOR/A/86Y8WDQ==
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

2026-09-17T11:34:49.880945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031719
observed a94d44e397829963845b0061a3f81f14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:49.863756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031719/manifest.json
observed 22431f9b7d54f93bbd28c3bae15723e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:49.844081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031719/publication.md
observed bd4a9489fdf1639a7544a019fd9b8995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:49.825566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031719/publication.txt
observed fb5bc06ed52bae78a3190cd65512c5e9...
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.