OpenTechnical

OT-2026-000044448

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000044448) never changes.

Identity and time

Publication numberOT-2026-000044448 · never reused
Internal UUID01a0ae7c-39d7-79ac-9251-0d548d10a53d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044448
StatusPUBLIC

Content hashes

Canonical text3cb16c5e995805ea493aa7e7d4d2a79e7c8a936d0608dbceae80818a21fb072f
Markdowna9247c7ab861756348087d3c97c687cffbf98e1866d8e4e2e29979a5d9819426
PDF
Publication page8cfbdc7cc624e19841ea5523157b42d9da2cb2eec6178f2811f499e42f221c35
Manifestf2bee1ce09aba66a2ddcfa9440af232cce1771e8e8fd1915b80b79491909edd4

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
SignaturezmWMjrOTF+8wrwgSHF+NS4ES3ZNvu1aX8t+1vrVNSmCGAzD2nw9C4zQ/Iusrx3kTFFFaAB4czFkllTFVJ4KMDw==
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

2026-09-17T08:30:48.326692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044448
observed 8cfbdc7cc624e19841ea5523157b42d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:48.310500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044448/manifest.json
observed f2bee1ce09aba66a2ddcfa9440af232c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:48.293257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044448/publication.md
observed a9247c7ab861756348087d3c97c687cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:48.276878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044448/publication.txt
observed 3cb16c5e995805ea493aa7e7d4d2a79e...
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.