OpenTechnical

OT-2026-000018561

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold 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-2026-000018561) never changes.

Identity and time

Publication numberOT-2026-000018561 · never reused
Internal UUID01a0ae6e-b48a-7b2f-bb4d-24d5b0e3d572 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018561
StatusPUBLIC

Content hashes

Canonical text694f0ebac95eb1e3780ffbe0170a9d4dea272dce3c8a62bf89640a7915aba622
Markdown6e19c48af621d83c28bed6ebe6f279926efd0c36dc3308040669a5625960038d
PDF
Publication page4a2547d774ff19a1c73647533000d0b8a6f8175bb8e805de03123f657c94ffec
Manifestba45651c079fd4b6cfda76971c94cecf0d436336be77f21ca7d5fb0845368bcb

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
SignaturefO0LSQfj89Eri2KlBtQkVJYnL/qkGCdXaoXGmwyvlw01i02foA/6g6zyQBJsKnFwgj86gm/AYLM3IWl2+h2LCg==
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

2026-09-17T12:01:20.553932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018561
observed 4a2547d774ff19a1c73647533000d0b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:20.533757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018561/manifest.json
observed ba45651c079fd4b6cfda76971c94cecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:20.516839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018561/publication.md
observed 6e19c48af621d83c28bed6ebe6f27992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:20.498354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018561/publication.txt
observed 694f0ebac95eb1e3780ffbe0170a9d4d...
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.