OpenTechnical

OT-2026-000017452

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000017452) never changes.

Identity and time

Publication numberOT-2026-000017452 · never reused
Internal UUID01a0ae6e-76c9-750f-9a75-6bb80951b734 · 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-2026-000017452
StatusPUBLIC

Content hashes

Canonical text62d72991d7a00cce7f237e1af08d69cbb7b74c395f233f95aa5430806065d249
Markdown2e1c326dd2ffdc7f91135c2ce2957c254cc8c746fa288ba68ed4de8a4af5dc3a
PDF
Publication page2fa6f0a41408470d37ba2e5314e83b35ea0432a38d4846104692a1ab75e6c43b
Manifest36c955de10deeb46afeb0edee55f2f861e73631e86fa30c45e58a10de7069558

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
SignaturepjOj25TVXQ1SRkXZtyLf0yV5C7cpcyrbbCPXEFSb31mR0237ne4HXpFiL4te/pfgwjCee1u3HVUmD+PdkzyGDg==
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

2026-09-17T12:02:35.328653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017452
observed 2fa6f0a41408470d37ba2e5314e83b35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:35.311597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017452/manifest.json
observed 36c955de10deeb46afeb0edee55f2f86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:35.292537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017452/publication.md
observed 2e1c326dd2ffdc7f91135c2ce2957c25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:35.272681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017452/publication.txt
observed 62d72991d7a00cce7f237e1af08d69cb...
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.