OpenTechnical

OT-2026-000020232

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, 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-2026-000020232) never changes.

Identity and time

Publication numberOT-2026-000020232 · never reused
Internal UUID01a0ae6f-4379-7f6a-b159-860ea50c2205 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020232
StatusPUBLIC

Content hashes

Canonical text905f981b03f1a3abfa77b8914123e97598a6519a2b7aefc98c2db07ad5d6d138
Markdown8d0e1848abc87a6a4083df13bc13e6bbf6b091efee87605461016e9f9def990e
PDF
Publication page953f29448e0d5823e2e71564837442062338333b14f1117b2015e568437aa271
Manifest09d3fc32edbc0553164965c48a7c4a878f2a07eb4cf9555b69ac21a06345316e

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
SignatureC0OYkj3uR+FvsJ1j4Ktm2vApbsstIZxpC0BVOLbhPFoWt3hTVYYri2PfSsCbV0gnCmWWwk+DrWrIrOg6Bwb5Dg==
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

2026-09-17T11:56:34.220828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020232
observed 953f29448e0d5823e2e7156483744206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:34.197983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020232/manifest.json
observed 09d3fc32edbc0553164965c48a7c4a87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:34.176807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020232/publication.md
observed 8d0e1848abc87a6a4083df13bc13e6bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:34.155338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020232/publication.txt
observed 905f981b03f1a3abfa77b8914123e975...
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.