OpenTechnical

OT-2026-000046476

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000046476) never changes.

Identity and time

Publication numberOT-2026-000046476 · never reused
Internal UUID01a0ae7e-57dc-7f4e-9f58-e387abdcb6c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046476
StatusPUBLIC

Content hashes

Canonical text5addc44f6eff5793e29df0792dd2606ed036902059a995f7ed14ad90578deee6
Markdown8c4d445f2f17bd84d9c06deff3b9781e6e995c90eda6ae7ad0cd2ed1c9e5d883
PDF
Publication page9e7d22f6b1330f8fe8bb1a0a5006798dd1841d910db0c1a48f2e7a3caf8744de
Manifest47305434f7a98e6240a211e14030a9b058fd9fc0038a6ac8a12e8c1e8e8ac049

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
SignatureMgVLahLs3W7vLBC/12hGUfry5OK8dh0W+JVujXh6tq4g/drz0HkgGrecS/R36bNwwvv2H6pKqytqG1OoCt3iDg==
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

2026-09-17T11:08:30.491897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046476
observed 9e7d22f6b1330f8fe8bb1a0a5006798d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:30.473319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046476/manifest.json
observed 47305434f7a98e6240a211e14030a9b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:30.452187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046476/publication.md
observed 8c4d445f2f17bd84d9c06deff3b9781e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:30.409220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046476/publication.txt
observed 5addc44f6eff5793e29df0792dd2606e...
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.