OpenTechnical

OT-2026-000016228

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000016228) never changes.

Identity and time

Publication numberOT-2026-000016228 · never reused
Internal UUID01a0ae6e-2d11-7f05-a064-869f7901b7f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016228
StatusPUBLIC

Content hashes

Canonical text90d4f855799a7d7d5841af85d40e1d0cd391be748337362c5c22f24cd1ff8a4c
Markdown3ebedc4a8c4647681f93c5a050e676e519a665885ae67f1234b1d3321dd3884b
PDF
Publication pagedbdb22cd0c0978af883e24565253da80d293a2efc5895ef642119a11b9879233
Manifestccae96500a2af84b73bce88b85c4eaff9eb6bee9dffca5b21f73a2238c7a91e1

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
Signature9Bnbtg+b1DJuPqB+DczBwW2Ocv8JaYlrtvxApd6FdSp9ihlWCJVUvwJBT1eGA/Obf44/Lle/H0QAx+J3T8x9Dw==
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

2026-09-17T12:03:41.657400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016228
observed dbdb22cd0c0978af883e24565253da80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:41.639118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016228/manifest.json
observed ccae96500a2af84b73bce88b85c4eaff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:41.619342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016228/publication.md
observed 3ebedc4a8c4647681f93c5a050e676e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:41.598729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016228/publication.txt
observed 90d4f855799a7d7d5841af85d40e1d0c...
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.