OpenTechnical

OT-2026-000015160

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000015160) never changes.

Identity and time

Publication numberOT-2026-000015160 · never reused
Internal UUID01a0ae6d-ef47-738b-898b-1d8ae3dd9d80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015160
StatusPUBLIC

Content hashes

Canonical texta7f7e510923e86d858a8d91325cc475c97776425d3b3eba41518b178075bd692
Markdown2ae4402e7f6a043e45dc86fa82de51c2a8258cee9935765932025037f65ea7e4
PDF
Publication page0d47ac8e3af33c4654f7ba8fba8bfc931373f7373e7b6efaf1e435bfaf9eed46
Manifest45b23c58d656e346a9ebcadecb42f6bce9a4ffe32b94d7096e143adbec63c022

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
SignatureEWT/lXFr6fNL+vUHhztgGjQlHBpXOk8TOLunWO1Oad2NENNjXLdhZw9PIBR5FKXL64qb6lo6A+PiJ297PvvqCA==
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

2026-09-17T12:05:46.357712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015160
observed 0d47ac8e3af33c4654f7ba8fba8bfc93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:46.338483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015160/manifest.json
observed 45b23c58d656e346a9ebcadecb42f6bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:46.317743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015160/publication.md
observed 2ae4402e7f6a043e45dc86fa82de51c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:46.297528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015160/publication.txt
observed a7f7e510923e86d858a8d91325cc475c...
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.