OpenTechnical

OT-2026-000039135

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000039135) never changes.

Identity and time

Publication numberOT-2026-000039135 · never reused
Internal UUID01a0ae78-9673-72f5-b682-c6eac367472d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039135
StatusPUBLIC

Content hashes

Canonical textb0c443f6ae2bc4cfb834e8686f4d4b9ba68cb83f41e8ad6e62208b6eee721251
Markdown8f2d4daba5325a08483ce19fee1fd1ef8c29a3d11cbbc8991ef4e212ede28216
PDF
Publication page7681fc21e852d87c3b2950824b3dab988bfb2f2247eb3ccafd86871ed10f42cc
Manifest923ddc72ec605c78e75a4e982dc61150b3c1726684a15d57cf0921fbf6a6c757

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
Signature/vkQ30e1ypLXj8zyCtPVHhc/TT6SrYNNXayFRF4HDf2SGxCDgw++w6D3asej1ZMH93VqY+0gLOom5fwCMzwzDg==
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

2026-09-17T11:20:38.088949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039135
observed 7681fc21e852d87c3b2950824b3dab98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:38.072048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039135/manifest.json
observed 923ddc72ec605c78e75a4e982dc61150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:38.055943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039135/publication.md
observed 8f2d4daba5325a08483ce19fee1fd1ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:38.040824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039135/publication.txt
observed b0c443f6ae2bc4cfb834e8686f4d4b9b...
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.