OpenTechnical

OT-2026-000037863

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line 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-2026-000037863) never changes.

Identity and time

Publication numberOT-2026-000037863 · never reused
Internal UUID01a0ae77-f889-775d-a17d-4fabf7d94808 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037863
StatusPUBLIC

Content hashes

Canonical textf1f1d70748f717f535299045311e70c0808ded703ef4ee5c4d192b6b0ec50852
Markdown470efe4f1250e191797fa5b13e4b7536cbb3f9dcbdd308e8003eed1a692273a4
PDF
Publication page21feb24df7ac3e93f9c3dbf5e014b097281a6b67f7c52644f5e27bb0a8d2396d
Manifestc28cd0ad9d357cdff8b593359cf8bed0f9889bc8c4066a0223e3f2a9161b3214

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
SignatureNnxPb5bs3BzaJPC5rHA9AsEGQG56wUSODs9q9UiI/nMjYsoCDVOxxN6+AJm1fz6bbSzsoxw6HI9GXWFAngQEAg==
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

2026-09-17T11:23:07.401357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037863
observed 21feb24df7ac3e93f9c3dbf5e014b097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:07.383316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037863/manifest.json
observed c28cd0ad9d357cdff8b593359cf8bed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:07.367139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037863/publication.md
observed 470efe4f1250e191797fa5b13e4b7536...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:07.351392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037863/publication.txt
observed f1f1d70748f717f535299045311e70c0...
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.