OpenTechnical

OT-2026-000052639

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000052639) never changes.

Identity and time

Publication numberOT-2026-000052639 · never reused
Internal UUID01a0ae84-573c-72ed-b6ae-bc0fbca658bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052639
StatusPUBLIC

Content hashes

Canonical text329c3eb726b45eb4a4a55373ceb1df5287b06f006804e271c963871601e2129a
Markdown9e1dc4a6daf91b37ec6ebb0a65c90e35065b0fef438d4be43d410e442994ea34
PDF
Publication page5d28f34808522c04d9936020dbc08fef90a3614a2b2d6819fb7e1d2379bad66d
Manifest1d6d3c8d8bd55bb4a74d7725856c87cee56417480abbb18be158b9ccf62a582e

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+lW71VjM9RJPFYma15zT5OrP5XWgFmlfaE/PsDBX6WxM1+u6lWiqfx9XDzjHpj7XSeGBqWL4ItGwiJBjDZhyAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:19.007649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052639
observed 5d28f34808522c04d9936020dbc08fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:18.989219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052639/manifest.json
observed 1d6d3c8d8bd55bb4a74d7725856c87ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:18.971454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052639/publication.md
observed 9e1dc4a6daf91b37ec6ebb0a65c90e35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:18.952139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052639/publication.txt
observed 329c3eb726b45eb4a4a55373ceb1df52...
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.