OpenTechnical

OT-2026-000010215

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000010215) never changes.

Identity and time

Publication numberOT-2026-000010215 · never reused
Internal UUID01a0ae6b-cb7b-742e-ba70-0e168396b0d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010215
StatusPUBLIC

Content hashes

Canonical text396797d90bf398100f3bfa9c6d838e93c618d8d1e3bb6a96e0817739b8446405
Markdowna900d90eb1606ce6fd228d1809b7274ef8022a77e341c93b1658b129ace6dbfb
PDF
Publication page944b4ccf470a6fd4deacadaf207461b6474129527b100991168e39d135756eae
Manifestdcc69b0a4ea51cbf4013ce1d04b837040418d360d0fae96ca083120012c7496e

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/dXw8ug9Kt7MOtr84yVvb6b2e97WBn37OCyceV/e4C2xvufwjSut9Tgog1Ba7EI0iVJy2sAZxTh8iwpyE1YrBQ==
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

2026-09-17T12:16:20.387267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010215
observed 944b4ccf470a6fd4deacadaf207461b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:20.369915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010215/manifest.json
observed dcc69b0a4ea51cbf4013ce1d04b83704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:20.350044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010215/publication.md
observed a900d90eb1606ce6fd228d1809b7274e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:20.330108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010215/publication.txt
observed 396797d90bf398100f3bfa9c6d838e93...
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.