OpenTechnical

OT-2026-000034165

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000034165) never changes.

Identity and time

Publication numberOT-2026-000034165 · never reused
Internal UUID01a0ae75-df0d-7bb2-9097-f0004cfdf862 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034165
StatusPUBLIC

Content hashes

Canonical texte98873e0be17a70d3915b14b522bdabe21b337329e05ed18bbd10bd8b7899a25
Markdownff186a79658b37a64b76bc047dee2b251f1404712c74212e60079aa30de62c72
PDF
Publication pagef70d58c1e4fba239398fd947de6513521014349dca8201b80afcf58776340bdc
Manifest9a2a993b4846264920986519079535d8a85f6e0357f7f09ade24137f0f89e54f

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
SignaturekTHKHQJ+4eA8GwKIt5Dv36OwdiM2PxXS1sbAl83At+uIhMuL186/hvA1hzCfQ0bs3SuGCBtg9+zj/Pz06EpoCw==
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

2026-09-17T11:30:34.324761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034165
observed f70d58c1e4fba239398fd947de651352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:34.308916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034165/manifest.json
observed 9a2a993b4846264920986519079535d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:34.291118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034165/publication.md
observed ff186a79658b37a64b76bc047dee2b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:34.273231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034165/publication.txt
observed e98873e0be17a70d3915b14b522bdabe...
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.