OpenTechnical

OT-2026-000051112

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000051112) never changes.

Identity and time

Publication numberOT-2026-000051112 · never reused
Internal UUID01a0ae82-c7b6-73bc-b749-24ebd2e5ffb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051112
StatusPUBLIC

Content hashes

Canonical textdfe64a01a662a4a7c3dcff0b78719668d539336d5344a6bfff2eaa9389421164
Markdowne957514c974c1da021251c4bd5b3e960e9daccacd8094e9b68fa89277535e285
PDF
Publication page46ddd25937fa97da2496ecb815bca84569e6db5cd2e81a14ce63e74e9b1fde74
Manifest664e4ccbe41edad575375e36611143293b78788935262ec81fcfa03a9d6d32d8

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
Signature2E1fWJPBCJhNk365RArhSp1QYW6qivWW/yYuM2ATcXGgljRuopaFLYOHNcOhwqLMUtrwpKNdKjw1mkjrqy/WCA==
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

2026-09-17T11:01:03.491887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051112
observed 46ddd25937fa97da2496ecb815bca845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:03.473783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051112/manifest.json
observed 664e4ccbe41edad575375e3661114329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:03.455564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051112/publication.md
observed e957514c974c1da021251c4bd5b3e960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:03.436897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051112/publication.txt
observed dfe64a01a662a4a7c3dcff0b78719668...
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.