OpenTechnical

OT-2026-000014183

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000014183) never changes.

Identity and time

Publication numberOT-2026-000014183 · never reused
Internal UUID01a0ae6d-b279-70e6-9584-1c8a86cf5fe0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014183
StatusPUBLIC

Content hashes

Canonical textfcb942ff22372e8dc82f245a84d1a208037a48e7dedd868fcdff3eb855b37b1b
Markdown243a8c915d86b4aa863b80a32ecef26b272584b6c8f17f7811a5ff21ac87e00d
PDF
Publication pageecf1fd5d5e6cedd92a817722d2ac162131fe10641c109a16a944e5c02ebde382
Manifesta31e6a7ed3caa7fa6c2c247b682a95633105e30ce186d056e95933abf35d42d3

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
SignatureZsVi5bN1FqCKiFAP5gGo6X8QHotv1U7yd6qAo9DmFnDlMIECW6Dz2IIQZ1s9waFIp4okCNKNw6QtMOx7NS1hAg==
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

2026-09-17T12:07:16.663650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014183
observed ecf1fd5d5e6cedd92a817722d2ac1621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:16.646425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014183/manifest.json
observed a31e6a7ed3caa7fa6c2c247b682a9563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:16.628446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014183/publication.md
observed 243a8c915d86b4aa863b80a32ecef26b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:16.610785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014183/publication.txt
observed fcb942ff22372e8dc82f245a84d1a208...
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.