OpenTechnical

OT-2026-000013091

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum 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-2026-000013091) never changes.

Identity and time

Publication numberOT-2026-000013091 · never reused
Internal UUID01a0ae6d-5565-7b73-8de6-265f82792101 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013091
StatusPUBLIC

Content hashes

Canonical text7c71b77ae88c4a45664e16f2dec1fd584f4e3039b8455b6ea437af9826523f34
Markdown0263c63419c547134b622d057326a4becbba7b239043c8a4727d5b741ac166e4
PDF
Publication page6deca077be322bc59b744b7d1d742573d3502dd7dc06ca64512de9342b3ffa19
Manifest010ba83ef6206880079a3a21a68e0f46c05e2a57f440bc0b1d797aebcc21fd3f

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
SignatureSHNIvil6xovUpELb+IM11o8T8fzoqeTYEPbmO9vhN4zm29gMyXbRPZ8rz66GzGyPte+1LxMHCOVfVCIf3VDMBA==
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

2026-09-17T12:10:56.369445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013091
observed 6deca077be322bc59b744b7d1d742573...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:56.350305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013091/manifest.json
observed 010ba83ef6206880079a3a21a68e0f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:56.331713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013091/publication.md
observed 0263c63419c547134b622d057326a4be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:56.311557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013091/publication.txt
observed 7c71b77ae88c4a45664e16f2dec1fd58...
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.