OpenTechnical

OT-2026-000017590

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000017590) never changes.

Identity and time

Publication numberOT-2026-000017590 · never reused
Internal UUID01a0ae6e-76ca-736c-ac0e-0e70a576e4ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017590
StatusPUBLIC

Content hashes

Canonical text438acf41df28a71407c4fc8dd37959926a0feb6c5e652113e579e344f5fce621
Markdown844793f9694f92e69dc0bd51f9072a2074f13ef01f5a17963ee47d604e9d9771
PDF
Publication page970f73806a7dcafe29b35f815e89cb6cc84fcf76d5596c2ecb3f832e9febf7c0
Manifest40fad24139cc174e2f7e356efdea302936297171b9d464595e614e63cbb0a43a

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
SignatureeB1rs7rf1kN45FPXwXwCILJiu176XwOIUsWAagbOK1tLCCIhW0+wTxDlwXmKETszc2K5xvFBJT646mQLx6TyAQ==
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

2026-09-17T12:02:46.144426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017590
observed 970f73806a7dcafe29b35f815e89cb6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:46.127709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017590/manifest.json
observed 40fad24139cc174e2f7e356efdea3029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:46.110047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017590/publication.md
observed 844793f9694f92e69dc0bd51f9072a20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:46.091929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017590/publication.txt
observed 438acf41df28a71407c4fc8dd3795992...
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.