OpenTechnical

OT-2026-000043900

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000043900) never changes.

Identity and time

Publication numberOT-2026-000043900 · never reused
Internal UUID01a0ae7b-d678-78b3-9da5-563aaa6dd090 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043900
StatusPUBLIC

Content hashes

Canonical text05f4e4490d47f08f671ee497dd250edee66e63e145870f279dcba79adf88bc3d
Markdown35ea11256b014deaaa1c7b876362ce5bfc373d5ea5290ede96e4aa3ff26c7c1f
PDF
Publication paged4420d2742e6ae10c9edd5d6e6fbdfa88f7c9b7df0f875933a189d3cf542a5b3
Manifest14736542384e85afdaaadeb9b991cb158b8b8719e6f4baa415bc54db50ac3521

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
SignatureuTWlj9yu/w201GfQdgvY20OB5suNARt/lwGqJU0VMu3HphnZRIlC9l+06fWaF6PPrXXKjAJ329wT58O4NGukAg==
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

2026-09-17T11:12:14.227876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043900
observed d4420d2742e6ae10c9edd5d6e6fbdfa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:14.208913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043900/manifest.json
observed 14736542384e85afdaaadeb9b991cb15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:14.190354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043900/publication.md
observed 35ea11256b014deaaa1c7b876362ce5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:14.169659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043900/publication.txt
observed 05f4e4490d47f08f671ee497dd250ede...
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.