OpenTechnical

OT-2026-000025439

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000025439) never changes.

Identity and time

Publication numberOT-2026-000025439 · never reused
Internal UUID01a0ae71-5fa7-70c0-8b89-34a3210ec61a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025439
StatusPUBLIC

Content hashes

Canonical textc6fd478762cdec1dc188d58067c318da7c79dc2cb52735c97681381d8c08abc6
Markdowna444df28269f057a5250f49322ac2da76aaed6005bf46a3d53cdbdc33bd80c31
PDF
Publication page2867b4f0befef2368d27ca8887fa2f35d7bd83bd26012a29e479e843117c3459
Manifestb5be78c9c3a7e7dce1760eb3613aaee04a2a5a59c52dee08e8fd61045f2b46b2

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
SignaturezKOvtYFjdstWt7B3ZKh4aNYYDVK5n8H2cPtfDSDUTr6Ql73Bj9nC7OSSaIy5Olyy2Th7/L1IbXIkgHhGY9AfBg==
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

2026-09-17T11:47:31.110942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025439
observed 2867b4f0befef2368d27ca8887fa2f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.093768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025439/manifest.json
observed b5be78c9c3a7e7dce1760eb3613aaee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.076262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025439/publication.md
observed a444df28269f057a5250f49322ac2da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.056064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025439/publication.txt
observed c6fd478762cdec1dc188d58067c318da...
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.