OpenTechnical

OT-2026-000029340

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000029340) never changes.

Identity and time

Publication numberOT-2026-000029340 · never reused
Internal UUID01a0ae73-5e20-7f91-b987-472d6b310679 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029340
StatusPUBLIC

Content hashes

Canonical text725e2ae325b75d347890c46228e5139b40b9097f076409d384ec947679944973
Markdown7a3316b6b557fce15a5fdc01e8ef0aa1395aea49d3fa317adbcae06c766f77b6
PDF
Publication page03aac96c7bbc5cd8e5f11e0eb353c3489a8f89549a0426e5523afe762843745a
Manifestd6ba6320f1036091aeca408bc49ae57a0015950c73313ec94758a56fc59bb88f

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
Signature8Zd1IPg2HlUZ6ZcK/MVaba2e0L+6V2QP5WLI6IwhMS9Zizl7iLfRTwVrfIunJiWM9/AfVP2cWhrgja8oVISKAQ==
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

2026-09-17T11:38:53.440705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029340
observed 03aac96c7bbc5cd8e5f11e0eb353c348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.421577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029340/manifest.json
observed d6ba6320f1036091aeca408bc49ae57a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.403514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029340/publication.md
observed 7a3316b6b557fce15a5fdc01e8ef0aa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.383695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029340/publication.txt
observed 725e2ae325b75d347890c46228e5139b...
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.