OpenTechnical

OT-2026-000043560

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, pulsed 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-2026-000043560) never changes.

Identity and time

Publication numberOT-2026-000043560 · never reused
Internal UUID01a0ae7b-92cf-7ee8-a4f2-f9491a012227 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043560
StatusPUBLIC

Content hashes

Canonical textf8754e93fb6ffafac0642597dbeda44d3380400d8751a8c13b3795acc7e546e5
Markdownaae6b8265114f69cede887db6b3c73d2705d06a9829c4fdaa13457c6045c0c3d
PDF
Publication paged6d9246aab6c3807401ef9f0e0e069de9d8d27586a4b88f0483445dd8fceb356
Manifest81b9785e488cdb0980bdb736b3db7d01c77308564c222589915dee9f52809d44

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
SignaturefCg6CBugoNDVYlpGLjx0bF4/alw9GNXt+HmVzvAhYYyiC34DqJdei98mWkB7zU+AQosodPzbnOJ3JTjVZCQYCQ==
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

2026-09-17T11:12:57.098910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043560
observed d6d9246aab6c3807401ef9f0e0e069de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.079679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043560/manifest.json
observed 81b9785e488cdb0980bdb736b3db7d01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.059497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043560/publication.md
observed aae6b8265114f69cede887db6b3c73d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.039161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043560/publication.txt
observed f8754e93fb6ffafac0642597dbeda44d...
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.