OpenTechnical

OT-2026-000015041

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000015041) never changes.

Identity and time

Publication numberOT-2026-000015041 · never reused
Internal UUID01a0ae6d-d096-7637-880b-ed036209d4ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015041
StatusPUBLIC

Content hashes

Canonical textc9ac1de944491b481e470a9b5069fc8cab87847606e06c4122f78fef0638fb9c
Markdown0f36307021fbd26643d3a3158a187b082fa6bec4a5fad6d4652680122efdabf1
PDF
Publication page43038953c9dedba25afe2bd77167d75d3e04aac272926f3608494e88c86b2f1b
Manifest1ff2b42bdeb1710061d7f3776c87657ff0ac0df1da0247a0642b11713317c803

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
SignatureQlfppGM85TT5eL5beUm9G65VjxSLUsaRECeqZ0NGQ9b2A+Ku7kQhUsJweu78VQ931gHRSQb1CS7nBnyzjmPlDA==
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

2026-09-17T12:07:01.405428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015041
observed 43038953c9dedba25afe2bd77167d75d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.387028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015041/manifest.json
observed 1ff2b42bdeb1710061d7f3776c87657f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.366570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015041/publication.md
observed 0f36307021fbd26643d3a3158a187b08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.346871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015041/publication.txt
observed c9ac1de944491b481e470a9b5069fc8c...
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.