OpenTechnical

OT-2026-000033679

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, supply line 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-2026-000033679) never changes.

Identity and time

Publication numberOT-2026-000033679 · never reused
Internal UUID01a0ae75-a390-7ea9-a038-2f9f4f2a2b2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033679
StatusPUBLIC

Content hashes

Canonical textc5f03467095ca75a5f2b2494f42c9e615562a13afa4e8fbd16ca39916f600be8
Markdown71d7b5e6f4af2098c42dbaa626f479df04e8a6fdcc0f26ab73de80d46d7db517
PDF
Publication pagecb2815a4a9d89b648e9a420117ea5fda0423c3fffbad9bf1acd94b3aaa64e101
Manifest374c45c1d3ae6e7821f8d7cfd009e6bddc1012118c3d9309c66b165860f1d9ed

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
SignatureATYrHAe29OPLQVfE0AdmBElRFKby+HUxWRvidVJkKpwc8Ym3MS0UOrXEdzMRgnlDX265F3exiKtA64e13lV1Bg==
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

2026-09-17T11:31:40.243167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033679
observed cb2815a4a9d89b648e9a420117ea5fda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.226172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033679/manifest.json
observed 374c45c1d3ae6e7821f8d7cfd009e6bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.208722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033679/publication.md
observed 71d7b5e6f4af2098c42dbaa626f479df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.191290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033679/publication.txt
observed c5f03467095ca75a5f2b2494f42c9e61...
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.