OpenTechnical

OT-2026-000037240

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000037240) never changes.

Identity and time

Publication numberOT-2026-000037240 · never reused
Internal UUID01a0ae77-7741-7c08-b2a1-6c343700b83c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037240
StatusPUBLIC

Content hashes

Canonical text6b891b424dd34f6303794af5700bfb7de8718a3529a60d2e92b6afd2cd0a4c55
Markdowna1d863c337bd90cbecd07ffa41ab14822fdbed7430a75b83af458bd65fc32bea
PDF
Publication page46f64e64749c13d21af89c6f4fa827ab1faa54e3f7e01d80427c30015d8c26bc
Manifest5745967bf905a7369d999c9359f10c5352189b9627fd3de97a9e35ab0c2d09be

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
SignatureOk0qG93J2vURE+28ZXJdiIbOx0gR5RVT1hhCjfkuVgkKj0ugZy2z8SvPNwfJ4H+UWwruTwAupM12nuW2RAvtBg==
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

2026-09-17T11:25:08.426740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037240
observed 46f64e64749c13d21af89c6f4fa827ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:08.409553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037240/manifest.json
observed 5745967bf905a7369d999c9359f10c53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:08.392702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037240/publication.md
observed a1d863c337bd90cbecd07ffa41ab1482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:08.374777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037240/publication.txt
observed 6b891b424dd34f6303794af5700bfb7d...
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.