OpenTechnical

OT-2026-000020866

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000020866) never changes.

Identity and time

Publication numberOT-2026-000020866 · never reused
Internal UUID01a0ae6f-65e3-7ba8-8d69-9a5a7612d85d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020866
StatusPUBLIC

Content hashes

Canonical text1e8da5b6943b2c8fba1ffa3b8fc1e13d5ed9828205e0826293c7cb043ab0d020
Markdown16eb0f38db0c86135c42d7ec015ce64758c13101b4629fb94b07eba3780b692f
PDF
Publication page8375318330117f063a7d8acc69a86a31b19c92e044ef5e26a4c750619b23a637
Manifest017daf21e871f1e50afb6d8ed86a209b14574dc3be3dfac0643942d268938a32

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
SignaturemrU7XotqH4FwjoBvWXs6kaC3aeGNXjdElMamefm8UCTOBIphzKuluAXTiyZhG2dQJjbfbC6UrT+VMqKn/HfaCg==
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

2026-09-17T11:55:46.665161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020866
observed 8375318330117f063a7d8acc69a86a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:46.646197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020866/manifest.json
observed 017daf21e871f1e50afb6d8ed86a209b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:46.628308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020866/publication.md
observed 16eb0f38db0c86135c42d7ec015ce647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:46.580862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020866/publication.txt
observed 1e8da5b6943b2c8fba1ffa3b8fc1e13d...
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.