OpenTechnical

OT-2026-000038729

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000038729) never changes.

Identity and time

Publication numberOT-2026-000038729 · never reused
Internal UUID01a0ae78-769e-7d2d-9dac-3d698428e31c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038729
StatusPUBLIC

Content hashes

Canonical text55f87c1cdbbcc8cace6ed000c9db1f688da4a3f2a9d9355aa593631be1790880
Markdown6981ee332f69f74e0a9d66d7be5f6f8125b5bbbbda4ed1f758f69dcfe86dc179
PDF
Publication page060d323b5f445208111d6ee22ad4b0213a89218c7ef1ae2d70e15462a4902fde
Manifeste603578fa1339e1f3b67948a38ebd8c285f214eadc6c352824a5c85d3ad25956

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
SignatureVeuOa/V2DrdR8AJIM5hsGY8bQQHeijPqLXTNCbi62+9DvtjAeA2EdGXam9P1iJh8q7D8B75aeJPnsx1GAHX0AA==
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

2026-09-17T11:21:15.474825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038729
observed 060d323b5f445208111d6ee22ad4b021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.458241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038729/manifest.json
observed e603578fa1339e1f3b67948a38ebd8c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.439752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038729/publication.md
observed 6981ee332f69f74e0a9d66d7be5f6f81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.423175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038729/publication.txt
observed 55f87c1cdbbcc8cace6ed000c9db1f68...
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.