OpenTechnical

OT-2026-000019004

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold 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-2026-000019004) never changes.

Identity and time

Publication numberOT-2026-000019004 · never reused
Internal UUID01a0ae6e-d523-7ba8-b0d3-16e9a27cf021 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019004
StatusPUBLIC

Content hashes

Canonical text7b02425129ac0c102275142519152a974925c90f06eb6124c36567685630e04a
Markdown46899e5f5c2715238fa70810292d7b2454b8874e754baf7d28bd73fa1daf6111
PDF
Publication page5dce266398703cb35a366b1f82976138b207f615c9af2b199d17744707a86a27
Manifesta6129bb2c58bbf78d3bab6e29fac20352f2737d594335b494ad2f16c61be78d6

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
SignatureBqSlSbISHGC3LE05g9syTWpeQragvinEBhjPy6pny5L3p/IndlznrPv5Wd1UqD9D8ztfz9xMe2umM2sWzLPjAw==
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

2026-09-17T11:59:41.252068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019004
observed 5dce266398703cb35a366b1f82976138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:41.233864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019004/manifest.json
observed a6129bb2c58bbf78d3bab6e29fac2035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:41.214927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019004/publication.md
observed 46899e5f5c2715238fa70810292d7b24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:41.196673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019004/publication.txt
observed 7b02425129ac0c102275142519152a97...
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.