OpenTechnical

OT-2026-000016428

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000016428) never changes.

Identity and time

Publication numberOT-2026-000016428 · never reused
Internal UUID01a0ae6e-2d13-79fc-a7fe-ac51d3b02e3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016428
StatusPUBLIC

Content hashes

Canonical text14f04816e643aa4bf1121424fb93593a8532cb72ac5947e3a4e0ccf1feb5fa78
Markdown111b490645904d52cd57e40b00012099964d8be8c9da9cbd520f3d2b1790995b
PDF
Publication page2f95c98e14c09d20e096faac1d58a0ff3d1a47ca6cea452435a383482345e3cb
Manifest972ada8ef958d0c76972b8e32aac61f501ad4c50fd23e00dfffe3913e12f80e6

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+Y/2BtNKdJggecgz5TeqnvSPlipZHO1a2e7v45tOXsikSIg+f1Npk0PfcBsJ7K124v/0QILlV19DvhLsznc1Dw==
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

2026-09-17T12:04:31.357765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016428
observed 2f95c98e14c09d20e096faac1d58a0ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:31.340212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016428/manifest.json
observed 972ada8ef958d0c76972b8e32aac61f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:31.322026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016428/publication.md
observed 111b490645904d52cd57e40b00012099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:31.303399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016428/publication.txt
observed 14f04816e643aa4bf1121424fb93593a...
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.