OpenTechnical

OT-2026-000046431

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000046431) never changes.

Identity and time

Publication numberOT-2026-000046431 · never reused
Internal UUID01a0ae7e-57dc-73fe-b66e-139cc8112898 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046431
StatusPUBLIC

Content hashes

Canonical text123c9eb12f17237b9f2a9b572e2dce84cd937460661805a58cc6e4d4619ef6ec
Markdown85f72ec1f6801caee4b8eab9edfb68da02e82ad54aedfd32384aceb546cf30f4
PDF
Publication pagefca9cc9da14733fb233bc66287ca3f2d182f6037347cbd6aa0ec7c7517b678d8
Manifest09f1707c7e0c8d4f9dbc1c7721e06234fb0f638112e0e2cc25ba1a4bc74f8603

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
Signature3zXowksvFoou3K4SGHPy7RHL5jsE+XfZs7nv3/7eWxy/htTUIKjI39UguX+DnMxgsTWM5MnwWa0CM/7kCfJyBw==
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

2026-09-17T11:08:26.846945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046431
observed fca9cc9da14733fb233bc66287ca3f2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:26.829375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046431/manifest.json
observed 09f1707c7e0c8d4f9dbc1c7721e06234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:26.811401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046431/publication.md
observed 85f72ec1f6801caee4b8eab9edfb68da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:26.791970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046431/publication.txt
observed 123c9eb12f17237b9f2a9b572e2dce84...
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.