OpenTechnical

OT-2026-000044321

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044321) never changes.

Identity and time

Publication numberOT-2026-000044321 · never reused
Internal UUID01a0ae7c-39d6-7607-8de5-65d51a6c4795 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044321
StatusPUBLIC

Content hashes

Canonical text07cea4d33e70ee191b0385b582e84ebbb6e9a44ef53410ff2737be3abf8f0bad
Markdown43b858925ec1293dab90baf1201452193a97581a5872fc0b12d15a8eee473528
PDF
Publication page8f257dadfb952279131175fb452f20de5d3dbc1f3ef2acc275b714fb751fd9f1
Manifest50556a084970d4f77214783b1381a62ec127077da107eca24c191dd350f08f39

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
Signature0Tkl5cmEU69p4kc7od4Dlm0ApvFoT4OkXb3EDJrzu0x2CuBpYO/LIVjRvHPXCcA9YEA+e/gsaNO/MJcIrIFYBQ==
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

2026-09-17T08:30:20.289415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044321
observed 8f257dadfb952279131175fb452f20de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:20.265494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044321/manifest.json
observed 50556a084970d4f77214783b1381a62e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:20.244234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044321/publication.md
observed 43b858925ec1293dab90baf120145219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:20.223125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044321/publication.txt
observed 07cea4d33e70ee191b0385b582e84ebb...
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.