OpenTechnical

OT-2026-000029246

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000029246) never changes.

Identity and time

Publication numberOT-2026-000029246 · never reused
Internal UUID01a0ae73-2aa1-7e10-b1ef-15775fa2757c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029246
StatusPUBLIC

Content hashes

Canonical text3fffe775893183e08514a7a1881945f3e607e5da93ab6932b509f59f2ca179f7
Markdown56c1ac829d08ddc0747114d81d9de131831f039d83fc9b1ca522b58c3cddd848
PDF
Publication pageea48ea7b22f470fe6f21c2438bf2ba4e53872b73312b11b036dbc961c477f85e
Manifestf2512b3fbf611a02adf77506ae721e5fe822e2d19d8c2ec889abccc66aac32a3

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
Signatureox55edh316S6XutSiA0KPAvKOnSoKFLguR2e4IwKME2f0uNE6SP/SahPQw3cddTmKofmGl7mN46fiwv5yfzPAA==
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

2026-09-17T11:39:52.369642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029246
observed ea48ea7b22f470fe6f21c2438bf2ba4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.352448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029246/manifest.json
observed f2512b3fbf611a02adf77506ae721e5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.333396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029246/publication.md
observed 56c1ac829d08ddc0747114d81d9de131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.317515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029246/publication.txt
observed 3fffe775893183e08514a7a1881945f3...
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.