OpenTechnical

OT-2026-000030781

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000030781) never changes.

Identity and time

Publication numberOT-2026-000030781 · never reused
Internal UUID01a0ae74-3fb4-733c-bdfc-97838e5dd02f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030781
StatusPUBLIC

Content hashes

Canonical text06e0682abaa71cec62c988301e3b13341035ea14a6b646dd76820a0271b708a6
Markdown4abc9b14647d991979b4376b9aa081001ca50d5cddd8e713f19c0c7c193f3dd7
PDF
Publication page2370fe7670f39f72f9f3d8e0d00f18c859461f69591c6f013d4a8650374fdba9
Manifest7e236c44bf62994aee56b62bf291ac83ee657b00286a02b8d28ac41226cfc431

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
SignatureqcMX0KGDsTXJMp8ilZ1OXVC+QhkE9qi5IXQdWYKA/+5GEHDoKSqCqoAkAQ1aRIkJS2sYjg/Puv25bPYPMSCMAQ==
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

2026-09-17T11:36:44.621343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030781
observed 2370fe7670f39f72f9f3d8e0d00f18c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.603937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030781/manifest.json
observed 7e236c44bf62994aee56b62bf291ac83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.584364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030781/publication.md
observed 4abc9b14647d991979b4376b9aa08100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.566161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030781/publication.txt
observed 06e0682abaa71cec62c988301e3b1334...
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.