OpenTechnical

OT-2026-000029165

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000029165) never changes.

Identity and time

Publication numberOT-2026-000029165 · never reused
Internal UUID01a0ae73-2aa0-71a3-b786-b57b75404e30 · 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-2026-000029165
StatusPUBLIC

Content hashes

Canonical text16f4d96884afc3770fb1f0cf5ed29ba0526a75e64ed4044a003bf25e470551b8
Markdown06564cd2d4da1b50829d066a0c231844337c177a1bfaa00108f7c11b83aa8e84
PDF
Publication page8d2797f5f9e7a37a57d18d09169c7c6b908df9689c0c383cdc05f891d6d029a2
Manifest251e730e7d607caa74d08d4a8515e1a57993d3018711026343dcd4480b5375ef

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
SignatureqToSJlEY7LMAJjdDdLTi7jg1SRHfJ7AYe5vlK/lgyXLFLNl5Isbnz3BakUQ7/hUzhFaDJgLxvh0+gPMiGIk+CA==
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

2026-09-17T11:39:39.708350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029165
observed 8d2797f5f9e7a37a57d18d09169c7c6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:39.688729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029165/manifest.json
observed 251e730e7d607caa74d08d4a8515e1a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:39.670165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029165/publication.md
observed 06564cd2d4da1b50829d066a0c231844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:39.653208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029165/publication.txt
observed 16f4d96884afc3770fb1f0cf5ed29ba0...
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.